An4 bolt lengths

AN4 BOLTS 1/4-28 DRILLED ... Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). Bolts are Cad I (silver color) unless indicated by an * which are Cad II (gold color) 1241. DIA / THREAD ...MIL-B-6812 (old) or NASM6812 (current) procurement spec for AN bolts. NAS618 standard fastener dimensions and hole tolerances MIL-STD-403C Rivet and Screw [and low-grade bolt] Installation spec AC43.13 for acceptable maintenance and repair techniques. [FAA website] ACs for general maintenance practices [specifically need procedures for Nut/Bolt ...AN4-5A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.188, Fastener Length: 0.656, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelAN3HA Bolt 3/16 Dia Drilled Head-Undrilled Shank. AN4A Bolt 1/4 Dia Undrilled. AN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. AN4AH Bolt 1/4 Dia Drilled Head-Undrilled Shank. AN5A Bolt 5/16 Dia Undrilled. AN5 Bolt 5/16 Dia Drilled. AN6A Bolt 3/8 Dia UnDrilled. AN6 Bolt 3/8 Dia Drilled.AN4 BOLTS. AN4 (1/4 inch - 28) AN Bolt Selection Guide - Picking the right Washers, Cotter Pins and Nuts ... AIRFRAME BOLT ~ LENGTH:2-13/32" ~ THREAD:1/4-28 ... Table 1 - Diameter, Length and Material. The AN4 Bolt can be ordered with an increase width and/or length. Just explain the situation. Maybe another fastener would be better? AN4 Airframe Corrosion Resistant Bolt. Bolt Fastener Image. AN4C#A (Undrilled Shank) AN4C# (Drilled Shank) Table 2 - Diameter, Length and Material. The AN4 Corrosion ... Aeronautical Standard AN4-36A Steel Undrilled Shank & Head Bolt, Machine - Visit and view our entire SkyGeek, Hardware, Bolts, Aeronautical Standard AN4 Series Airframe Bolt, section at SkyGeek!AN4-11A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.688, Fastener Length: 1.156, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelSee table for conversion of length and/or grip to proper AN callout. 15% discount on qty of 50-99 20% discount on qty of 100+ Note: Drilled bolts listed above are drilled shank only. To order drilled head only or both drilled head and shank bolts, please use our AN Bolt Selector by clicking the link below. Click here for the AN Bolt Selector Airframe Bolt - AN4-4A. $0.21) Write a Review SKU: AN4-4A Minimum Purchase: 10 units. Current Stock: ... Share This Article. Overview; Product Description Airframe Bolt - AN4-4A. Airframe Bolt - Length: 17/32", Grip: 1/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank: Part Number: AN4-4A . Alternate Part Number(s): None . Typical Lead ...AN4-14A Airframe Bolt, Inventory: 6601, Thread: 1/4-28, Grip Length: 1.062, Fastener Length: 1.531, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel Item # AN4-31A, Airframe Bolt - AN4-31A. Request Information. Email This Page Download PDF Download PDF Printable Page. List Price {QUOTE} Qty. ... GRIP LENGTH: 2.688 INCHES NOMINAL: HARDNESS RATING: 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL: HEAD HEIGHT:More AN4 machine bolts. AN4H7A. $1.02 Each, airframe bolt 1/4-28 Thread, 7/16in. Grip, ... Choose from our selection of Army-Navy bolts, including over 80 products in a wide range of styles and sizes. ... AN4-4: AN4-4A: AN4-5: AN4-5A: AN4-6: AN4-6A: AN4-10 ... The bolts are centerless ground and threaded after heat treatment. Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3. Available with shank drilled for cotter pin or undrilled for stop nut application, and with or without drilled head for safety wire. Specify bolts to have undrilled shank by ...Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19 AN4-10A Machine Bolt. length: 1-1/32", grip: 9/16", thread: 1/4-28, cadmium plated steel, undrilled shank, AN4 series boltBOLT UNDRILLED AN4-22A. Part number: AN4-22A: 0.86 EUR. excl. VAT, excl. shipping. PC. Available Quantities: unknown: Description: Dash No. -22; Nominal Length 2-9/32; Grip Lengh 1-13/16; Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). ... See illustrated examples. The length of ...AN Bolts. How to read Bolt Sizes The first number after “AN” designates the diameter. The “A” at the very end of all the numbers designates that there will be no hole in the shank. Meaning that the hole is “Absent”. The last number, either single or double digit denotes length; a single digit denotes nominal length to the 1/8th of ... BOLT DRILLED AN4-44 Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). ... See table for conversion of length and/or grip to proper AN callout. 15% discount on qty of 50-99 20% discount on qty of 100+ Note: Drilled bolts listed above are drilled shank only. To order drilled head ...AN Bolt - Size Designation: AN3: AN4: AN5: AN6: AN7: AN8: Thread Dia./Pitch: 3/16-32 UNF-3A : 1/4-28 UNF-3A: 5/16-24 UNF-3A: 3/8-24 UNF-3A ... Clevis Bolts, Clevis Pins, Eyebolts - Corresponds to Washers, Cotter Pins, Nuts listed above. ... AN23-(dash number represents length) AN24-(dash number represents length) AN25-(dash number represents ...Aeronautical Standard AN4-66A Steel Undrilled Shank & Head Bolt, Machine. > View Details. PART #: SGP89536. MFR PART #: AN4-66A. Our Price: $29.37. Add to Cart.AN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. ... Aircraft AN Bolts. Skybolt stocks most sizes and lengths through AN10. Call for stock. AN4-12 AN412 : 5306-00-144-3709: Bolt, Machine: Thread Series Designator: UNF Thread Direction: Right-hand Material: Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall Undrilled for stop nut application. The length of the AN aircraft bolts is measured from under the head to the end of the shank. The grip is the un-threaded area of the shank.<BR><BR>Length: 3/4"<BR>Grip: 5/16"<BR><BR> AN4-36A Airframe Bolt, Inventory: 34, Thread: 1/4-28, Grip Length: 3.312, Fastener Length: 3.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelAN4 Airframe bolts have 1/4-28 threads (0.469 inch thread length except on -3 size). Part numbers ending in A indicate undrilled shanks. AN6 Airframe Bolt - Drilled Head, 3/8-24 Thread. AN6H bolts have a drilled head for safety wire and a 3/8-24 thread (0.641 inch long thread). An A at the end of the part number indicates an undrilled shank. AN-5 bolts are 5/16" (~8mm) in diameter. You can measure the length of AN bolts in a glider with calipers, without removing the bolt from the airframe. Caliper On Bolt. Bolt Sizing Calipers, using PDF Chart ... A 1/4" diameter bolt which is two and five eighths inches long will be called as AN4-25 (two inches, plus 5/8" in length). The ...length: 1-9/32, grip: 13/16", thread: 1/4-28, cadmium plated steel, undrilled shank, airframe, AN4 series bolt * Manufacturer certifications are shipped with your order FREE of charge Add to CartAN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ...MIL-B-6812 (old) or NASM6812 (current) procurement spec for AN bolts. NAS618 standard fastener dimensions and hole tolerances MIL-STD-403C Rivet and Screw [and low-grade bolt] Installation spec AC43.13 for acceptable maintenance and repair techniques. [FAA website] ACs for general maintenance practices [specifically need procedures for Nut/Bolt ...AN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ...Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19Aeronautical Standard AN4-23A Steel Undrilled Shank & Head Bolt, Machine - Visit and view our entire SkyGeek, Hardware, Bolts, Aeronautical Standard AN4 Series Airframe Bolt, section at SkyGeek! Aeronautical Standard AN4-23A Steel Undrilled Shank & Head Bolt, Machine - Visit and view our entire SkyGeek, Hardware, Bolts, Aeronautical Standard AN4 Series Airframe Bolt, section at SkyGeek! UNF-3A. Material: Steel. Major Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 0.469 in. Grip Length: 0.063 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer's specifications.Whether it's for standard metric or imperial measurements, our simple-to-read bolt thread length chart makes understanding thread length easy. Toggle Menu MENU. Free Standard Shipping* *In the Continental US. 888-660-0334 Mon-Fri 8:00AM-5:00PM CST. Order Status; Login or Sign Up; Search. 0 My ...The length of AN aircraft bolts is measured from under the head to the end of the shank. The "grip" is the unthreaded portion of the shank. See table for conversion of length and/or grip to proper AN callout. 15% discount on qty of 50-99 20% discount on qty of 100+ Note: Drilled bolts listed above are drilled shank only.Metric Standard Thread Length for Bolts. Bolt Diameter (mm) Standard Thread Length (mm) * Bolts 125mm and shorter Material: Steel. Major Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 0.906 in. Grip Length: 0.438 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer's specifications.an bolt dimensions: an no. an3: an4: an5: an6: an7: an8: diam. 3/16" (.186 - .189) 1/4" (.246 - .249) 5/16" (.309 - .312) 3/8" (.371 - .374) 7/16" (.433 - .437) 1/2" (.459 - .499) dash no. grip +1/64-1/64: length + 1/32 - 1/64: grip +1/64-1/64: length + 1/32 - 1/64: grip +1/64-1/64: length + 1/32 - 1/64: grip +1/64-1/64: length + 1/32 - 1/64 ...AN4-50 BOLT. Hex head, grade 8, aircraft bolts, made of high-strength alloy steel (type 8740 most commonly used). Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3. Available drilled shank for cotter pin or undrilled for stop nut, and with or without drilled head for safety wire. Item # AN4-6A, Airframe Bolt - AN4-6A. Request Information. Email This Page Download PDF Download PDF Printable Page. List Price {QUOTE} Qty. ... GRIP LENGTH: 0.383 INCHES NOMINAL: HARDNESS RATING: 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL: HEAD HEIGHT:Yes, take me to the new store (limited early release and public test phase) No thanks, I'll use the "classic" store (will be retired soon)Airframe Bolt - AN4-4A. $0.21) Write a Review SKU: AN4-4A Minimum Purchase: 10 units. Current Stock: ... Share This Article. Overview; Product Description Airframe Bolt - AN4-4A. Airframe Bolt - Length: 17/32", Grip: 1/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank: Part Number: AN4-4A . Alternate Part Number(s): None . Typical Lead ...Metric bolts are referenced using "M" sizes, such as the M8 bolt size. The size of a metric bolt is specified using pitch, diameter, and length in millimeters. For example, in M8-1.0*20, the "M" means the Metric thread designation, the digit 8 refers to the Nominal diameter (in millimeters), 1.0 refers to the pitch, and 20 refers to the ...Description: Heavy hex structural bolts are designed for steel-to-steel structural connections. The ASTM A325 and A490 specifications cover high strength heavy hex structural bolts from 1/2" diameter through 1-1/2" diameter. These bolts are intended for use in structural connections. Bolt Type: Hexagon Bolt / Tap Bolt. AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel AN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ... Solid Aluminum Rivets - Universal Head - AN470 $20.80 AN525 Washer Head Screws $0.96 AN7 Bolts 7/16-20 $14.93 Clevis Pins $5.80 AN315 Full Hex AN316 Thin $1.23 AN960 Flat Steel Washers $0.17 AN3 Bolts ( 10-32 ) $13.57 AN365 Elastic Stop Nuts $0.00 AN5 Bolts ( 5/16-24 ) $22.50 Larry R Verified Purchase BOLT DRILLED AN4-20 July 5, 2022 No issuesAN4-36A Airframe Bolt, Inventory: 34, Thread: 1/4-28, Grip Length: 3.312, Fastener Length: 3.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelMajor Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 3.281 in. Grip Length: 2.813 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer's specifications.Drilled for cotter pin application. The length of the AN aircraft bolts is measured from under the head to the end of the shank. The grip is the un-threaded area of the shank. Length: 3/4". Grip: 5/16". Undrilled shank = letter "A" after the dash number (AN4-10A) Drilled head = letter "H" after the AN number (AN4H-10) Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). Material: Steel. Major Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 0.656 in. Grip Length: 0.188 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer’s specifications. Mar 26, 2015 · AN4-15A: 1/4-28 bolt, 1 3/16" grip, undrilled head, undrilled shank. AN6-20: 3/8-24 bolt, 1 7/16" grip, undrilled head, drilled shank. AN5H-27A: 5/16-24 bolt, 2 7/16" grip, drilled head, undrilled shank. * Note: A popular misconception is that the dash number gives the shank length in full inches plus eighths of an inch (-15 would mean 1 5/8 ... AN3 AN4 AN5 AN6 AN7 AN8 AN42 AN42B AN43 AN43B AN44 AN45 AN46 AN47 AN48 DASH NO. GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 ... NAS1103 thru NAS1120 Bolt - Shear, Modified Hexagon Head Short Thread Alloy Steel Heat Treated Per MIL-H-6875 # Thru Thru ...AN4 bolts have a 1/4-28 UNF thread and a 1/4" diameter shank. The 0.469 inch thread length on all AN4 bolts (except AN4-3A, which has 0.406 inch thread length) is designed to accommodate a full-height nut and an AN960-416 washer. A or no A? AN bolts were originally designed to be used with a castle nut and cotter pin, so the base part number ... Univair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free Sales: 888-433-5433 Phone: 303-375-8882 length: 1-5/32", grip: 11/16", thread: 1/4-28, cadmium plated steel, undrilled shank, AN4 series bolt * Manufacturer certifications are shipped with your order FREE of charge Add to CartUndrilled for stop nut application. The length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. Undrilled for stop nut application. Use spaces to separate tags. Use single quotes (') for phrases. Our price is lower than the manufacturer's "minimum advertised price." AN3-AN20 AN4 Aircraft Bolts .2500-28 UNF-3A AIRCRAFT BOLT Finish Codes: No finish code after basic part number for alloy steel cadmium plated bolt. Add "C" after basic part number for passivated corrosion-resistant steel bolt. Add "DD" after basic part number for aluminum alloy bolt. Add "H" after the basic part number for bolt with drilled head.AN4 Bolt 1/4 Dia Drilled. ... AN4A Bolt 1/4 Dia Undrilled: ... $0.20 Price Details. AN4-5A. 3/16 Grip 21/32 Length Ship To: $0.20 Price Details. AN4-6A. 5/16 Grip 25/ ... Mar 26, 2015 · AN4-15A: 1/4-28 bolt, 1 3/16" grip, undrilled head, undrilled shank. AN6-20: 3/8-24 bolt, 1 7/16" grip, undrilled head, drilled shank. AN5H-27A: 5/16-24 bolt, 2 7/16" grip, drilled head, undrilled shank. * Note: A popular misconception is that the dash number gives the shank length in full inches plus eighths of an inch (-15 would mean 1 5/8 ... AN4 BOLTS 1/4-28 DRILLED ... Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). Bolts are Cad I (silver color) unless indicated by an * which are Cad II (gold color) 1241. DIA / THREAD ...AN4 Bolts -- Undrilled Head AN4 bolts have a 1/4-28 UNF thread and a 1/4" diameter shank. The 0.469 inch thread length on all AN4 bolts (except AN4-3A, which has 0.406 inch thread length) is designed to accommodate a full-height nut and an AN960-416 washer. A or no A?The AN4 Bolt can be ordered with an increase width and/or length. Just explain the situation. Maybe another fastener would be better? AN4 Airframe Corrosion Resistant Bolt Bolt Fastener Image AN4C#A (Undrilled Shank) AN4C# (Drilled Shank) Table 2 - Diameter, Length and MaterialAN4-22A Machine Bolt. length: 2-9/32", grip: 1-13/16", thread: 1/4-28, cadmium plated steel, undrilled shank, hexagon head, AN4 series bolt AN3HA Bolt 3/16 Dia Drilled Head-Undrilled Shank. AN4A Bolt 1/4 Dia Undrilled. AN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. AN4AH Bolt 1/4 Dia Drilled Head-Undrilled Shank. AN5A Bolt 5/16 Dia Undrilled. AN5 Bolt 5/16 Dia Drilled. AN6A Bolt 3/8 Dia UnDrilled. AN6 Bolt 3/8 Dia Drilled.AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel Yes, take me to the new store (limited early release and public test phase) No thanks, I'll use the "classic" store (will be retired soon)AN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. AN4AH Bolt 1/4 Dia Drilled Head-Undrilled Shank. AN5A Bolt 5/16 Dia Undrilled. AN5 Bolt 5/16 Dia Drilled. AN6A Bolt 3/8 Dia UnDrilled. ... 3/16 Grip 21/32 Length Ship To: $0.20 Price Details AN4-6A. 5/16 Grip 25/32 Length ...AN4-5A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.188, Fastener Length: 0.656, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelMonroe Aerospace is a stocking distributor of Aerospace and Mil-Spec hardware including AN bolts. Address. 399 East Drive Melbourne, FL 32904. AS9100D & ISO 9001:2015. ... Airframe Bolt - AN4-20A. Request Information. Email This Page ... Airframe Bolt - Length: 2-1/32", Grip: 1-9/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank . Test ...AN4 Bolt 1/4 Dia Drilled. ... AN4A Bolt 1/4 Dia Undrilled: ... $0.20 Price Details. AN4-5A. 3/16 Grip 21/32 Length Ship To: $0.20 Price Details. AN4-6A. 5/16 Grip 25/ ... Aeronautical Standard AN4-36A Steel Undrilled Shank & Head Bolt, Machine - Visit and view our entire SkyGeek, Hardware, Bolts, Aeronautical Standard AN4 Series Airframe Bolt, section at SkyGeek! Buy from the manufacturer and save! PN: AN4-10A | Aircraft Bolts Price: $ 0.2400 / EA STOCK: 132462 NSN: 5306-00-151-1424 0.781 INCHES NOMINAL. FEATURES PROVIDED. FINISHED HEAD. GRIP LENGTH. 0.383 INCHES NOMINAL. HARDNESS RATING. 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL. HEAD HEIGHT. 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM. fastener length: 1.156 inches nominal: features provided: finished head: grip length: 0.688 inches nominal: hardness rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: c1 hexagon: material AN4-36A Airframe Bolt, Inventory: 34, Thread: 1/4-28, Grip Length: 3.312, Fastener Length: 3.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelAN4-10 Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.562, Fastener Length: 1.031, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelAN4-70 AN470 : 5306-00-151-1734: Bolt, Machine: Thread Series Designator: UNF Thread Direction: Right-hand Material: Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall: Aeronautical Standards Group (88044) AN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. ... Aircraft AN Bolts. Skybolt stocks most sizes and lengths through AN10. Call for stock. BOLT DRILLED AN4-44 Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). ... See table for conversion of length and/or grip to proper AN callout. 15% discount on qty of 50-99 20% discount on qty of 100+ Note: Drilled bolts listed above are drilled shank only. To order drilled head ...AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel AN4-5A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.188, Fastener Length: 0.656, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel.Aeronautical Standard AN4-66A Steel Undrilled Shank & Head Bolt, Machine. > View Details. PART #: SGP89536. MFR PART #: AN4-66A. Our Price: $29.37. Add to Cart.fastener length: 1.156 inches nominal: features provided: finished head: grip length: 0.688 inches nominal: hardness rating: 26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: hexagon: material document and classification: mil-b-6812 mil spec all material ... Metric Standard Thread Length for Bolts. Bolt Diameter (mm) Standard Thread Length (mm) * Bolts 125mm and shorter Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19 AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel Metric Standard Thread Length for Bolts. Bolt Diameter (mm) Standard Thread Length (mm) * Bolts 125mm and shorter AN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ...Choose from our selection of Army-Navy bolts, including over 80 products in a wide range of styles and sizes. ... AN4-4: AN4-4A: AN4-5: AN4-5A: AN4-6: AN4-6A: AN4-10 ... AN3 AN4 AN5 AN6 AN7 AN8 AN42 AN42B AN43 AN43B AN44 AN45 AN46 AN47 AN48 DASH NO. GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 ... NAS1103 thru NAS1120 Bolt - Shear, Modified Hexagon Head Short Thread Alloy Steel Heat Treated Per MIL-H-6875 # Thru Thru ...AN4 BOLTS. AN4 (1/4 inch - 28) AN Bolt Selection Guide - Picking the right Washers, Cotter Pins and Nuts ... AIRFRAME BOLT ~ LENGTH:2-13/32" ~ THREAD:1/4-28 ... AN4-51 Airframe Bolt, Inventory: 125, Thread: 1/4-28, Grip Length: , Fastener Length: , Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelAN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ... AN4-37 Airframe Bolt, Inventory: 2000, Thread: 1/4-28, Grip Length: 3.438, Fastener Length: 3.906, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated Steel fastener length: 1.156 inches nominal: features provided: finished head: grip length: 0.688 inches nominal: hardness rating: 26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: hexagon: material document and classification: mil-b-6812 mil spec all material ... AN4 BOLTS Hardware_Bolts_AN4-BOLTS Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). The bolts are centerless ground and threaded after heat treatment. Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3.Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19 AN4 Bolts, Undrilled 1/4-28, 1/4" Diameter AN4-Undrilled Availability: In stock Add to Cart Quick overview The length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. Undrilled for stop nut application. Description Tags AdditionalAN4 Bolt 1/4 Dia Drilled. AN4CA Bolt 1/4 Dia Undrilled - Stainless. ... Aircraft AN Bolts. Skybolt stocks most sizes and lengths through AN10. Call for stock. AN Bolts AN3A Bolt 3/16 Dia Undrilled. AN3 Bolt 3/16 Dia Drilled. AN3CA Bolt 3/16 Dia Undrilled - Stainless. AN3H Bolt 3/16 Dia Drilled Head-Drllied Shank ...fastener length: 1.156 inches nominal: features provided: finished head: grip length: 0.688 inches nominal: hardness rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: c1 hexagon: material Yes, take me to the new store (limited early release and public test phase) No thanks, I'll use the "classic" store (will be retired soon)BOLTS; AN4 SERIES; View as List Grid. Items 1-40 of 46. Page. You're currently reading page 1; Page 2; Page Next; Show ... Length Cross Ref. Part # Price Qty; AN4-10 ... Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19 AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel Aeronautical Standard AN4-36A Steel Undrilled Shank & Head Bolt, Machine - Visit and view our entire SkyGeek, Hardware, Bolts, Aeronautical Standard AN4 Series Airframe Bolt, section at SkyGeek! Yes, take me to the new store (limited early release and public test phase) No thanks, I'll use the "classic" store (will be retired soon)Title: AN3 THRU AN20 REV-12, Version: 12, Date: 1991-Jan-14, Status: Cancelled, Desc: AN3 AN4 AN5 AN6 AN7 AN8 AN9 AN10 AN11 AN12 AN13 AN14 AN15 AN16 AN17 AN18 AN19 1.281 INCHES NOMINAL. FEATURES PROVIDED. FINISHED HEAD. GRIP LENGTH. 0.812 INCHES NOMINAL. HARDNESS RATING. 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL. HEAD HEIGHT. 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM. an4-32a: fastener length: 3.281 inches nominal: features provided: finished head: grip length: 2.688 inches nominal: hardness rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: c1 hexagon: manufacturers code: 88044: materialAN4-10 Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.562, Fastener Length: 1.031, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelUndrilled shank = letter "A" after the dash number (AN4-10A) Drilled head = letter "H" after the AN number (AN4H-10) Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). AN Bolts. How to read Bolt Sizes The first number after “AN” designates the diameter. The “A” at the very end of all the numbers designates that there will be no hole in the shank. Meaning that the hole is “Absent”. The last number, either single or double digit denotes length; a single digit denotes nominal length to the 1/8th of ... AN4-51 Airframe Bolt, Inventory: 125, Thread: 1/4-28, Grip Length: , Fastener Length: , Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelAN4-70 AN470 : 5306-00-151-1734: Bolt, Machine: Thread Series Designator: UNF Thread Direction: Right-hand Material: Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall: Aeronautical Standards Group (88044) Material: Steel. Major Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 0.656 in. Grip Length: 0.188 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer’s specifications. AN3 AN4 AN5 AN6 AN7 AN8 AN42 AN42B AN43 AN43B AN44 AN45 AN46 AN47 AN48 DASH NO. GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 GRIP ±1/64 LENGTH +1/32 - 1/64 ... NAS1103 thru NAS1120 Bolt - Shear, Modified Hexagon Head Short Thread Alloy Steel Heat Treated Per MIL-H-6875 # Thru Thru ...AN4-10A Machine Bolt. length: 1-1/32", grip: 9/16", thread: 1/4-28, cadmium plated steel, undrilled shank, AN4 series boltMar 26, 2015 · AN4-15A: 1/4-28 bolt, 1 3/16" grip, undrilled head, undrilled shank. AN6-20: 3/8-24 bolt, 1 7/16" grip, undrilled head, drilled shank. AN5H-27A: 5/16-24 bolt, 2 7/16" grip, drilled head, undrilled shank. * Note: A popular misconception is that the dash number gives the shank length in full inches plus eighths of an inch (-15 would mean 1 5/8 ... AN4-13 Airframe Bolt, Inventory: 3394, Thread: 1/4-28, Grip Length: 0.938, Fastener Length: 1.406, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelAN4-13 Airframe Bolt, Inventory: 3394, Thread: 1/4-28, Grip Length: 0.938, Fastener Length: 1.406, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelGrip Length refers to the length of the unthreaded port. To be used in the assembly of Affordaplane fuselage. The plans call for 73 bolts AN4 bolts have a 1/4-28 UNF thread. The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately.Univair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free Sales: 888-433-5433 Phone: 303-375-8882 Grip Length refers to the length of the unthreaded port. To be used in the assembly of Affordaplane fuselage. The plans call for 73 bolts AN4 bolts have a 1/4-28 UNF thread. The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately.an4-15a: fastener length: 1.656 inches nominal: features provided: finished head: grip length: 1.188 inches nominal: hardness rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: c1 hexagon: manufacturers code: 88044: materiallength: 1-9/32, grip: 13/16", thread: 1/4-28, cadmium plated steel, undrilled shank, airframe, AN4 series bolt * Manufacturer certifications are shipped with your order FREE of charge Add to CartUnivair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free Sales: 888-433-5433 Phone: 303-375-8882 More AN4 machine bolts. AN4H7A. $1.02 Each, airframe bolt 1/4-28 Thread, 7/16in. Grip, ... The length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. ... AN4 Bolts, Undrilled 1 ... Mar 26, 2015 · AN4-15A: 1/4-28 bolt, 1 3/16" grip, undrilled head, undrilled shank. AN6-20: 3/8-24 bolt, 1 7/16" grip, undrilled head, drilled shank. AN5H-27A: 5/16-24 bolt, 2 7/16" grip, drilled head, undrilled shank. * Note: A popular misconception is that the dash number gives the shank length in full inches plus eighths of an inch (-15 would mean 1 5/8 ... Undrilled shank = letter "A" after the dash number (AN4-10A) Drilled head = letter "H" after the AN number (AN4H-10) Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). AN4 Airframe bolts have 1/4-28 threads (0.469 inch thread length except on -3 size). Part numbers ending in A indicate undrilled shanks. AN6 Airframe Bolt - Drilled Head, 3/8-24 Thread. AN6H bolts have a drilled head for safety wire and a 3/8-24 thread (0.641 inch long thread). An A at the end of the part number indicates an undrilled shank. AN4-70 AN470 : 5306-00-151-1734: Bolt, Machine: Thread Series Designator: UNF Thread Direction: Right-hand Material: Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall: Aeronautical Standards Group (88044) Item # AN4-6A, Airframe Bolt - AN4-6A. Request Information. Email This Page Download PDF Download PDF Printable Page. List Price {QUOTE} Qty. ... GRIP LENGTH: 0.383 INCHES NOMINAL: HARDNESS RATING: 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL: HEAD HEIGHT:AN4 BOLTS. AN4 (1/4 inch - 28) AN Bolt Selection Guide - Picking the right Washers, Cotter Pins and Nuts ... AIRFRAME BOLT ~ LENGTH:2-13/32" ~ THREAD:1/4-28 ... AN4-14A. BOLT. Unit of Measure: EA; Must be a Multiple of: 25; ECCN: EAR99; Packaged Weight: 0.68 lb; Packaged Dimensions : 4 (L) x 5.9 (W) x 0.85 (H) in; ... Thread Per Inch (TPI): 28; Length: 1.531 in. Grip Length: 1.063 in. Industry Standard Specification: AIA/NAS NASM3-20; NOTES. NAS464P4A17 IS AN ACCEPTABLE REPLACEMENT FOR BEECH C90A ...Thread direction right-hand length millimeters maximum pitch in 1 Our Ford parts and accessories are expedited directly from Cat® Bolts and matching Washers and Nuts for high clamp loads 3 GHz base frequency, up to 2 1961 "g36 bolt catch airsoft" 3D Models 1961 "g36 bolt catch airsoft" 3D Models. ... right-hand , 0. dh an3-20a - bolt machine ...Airframe Bolt - AN4-4A. $0.21) Write a Review SKU: AN4-4A Minimum Purchase: 10 units. Current Stock: ... Share This Article. Overview; Product Description Airframe Bolt - AN4-4A. Airframe Bolt - Length: 17/32", Grip: 1/16", Thread: 1/4-28, Cadmium Plated Steel, Undrilled Shank: Part Number: AN4-4A . Alternate Part Number(s): None . Typical Lead ...Solid Aluminum Rivets - Universal Head - AN470 $20.80 AN525 Washer Head Screws $0.96 AN7 Bolts 7/16-20 $14.93 Clevis Pins $5.80 AN315 Full Hex AN316 Thin $1.23 AN960 Flat Steel Washers $0.17 AN3 Bolts ( 10-32 ) $13.57 AN365 Elastic Stop Nuts $0.00 AN5 Bolts ( 5/16-24 ) $22.50 Larry R Verified Purchase BOLT DRILLED AN4-20 July 5, 2022 No issuesAN4 bolts have a 1/4-28 UNF thread. All sizes of AN4 bolts have a 0.469 inch thread length (except AN4-3A, which has 0.406 inch thread length). The thread length is designed specifically to fit a full-height nut plus one AN960-416 washer. Sold individually; nuts and washers sold separately. Grip Length refers to the length of the unthreaded ... AN4-37 Airframe Bolt, Inventory: 2000, Thread: 1/4-28, Grip Length: 3.438, Fastener Length: 3.906, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated Steel Whether it's for standard metric or imperial measurements, our simple-to-read bolt thread length chart makes understanding thread length easy. Toggle Menu MENU. Free Standard Shipping* *In the Continental US. 888-660-0334 Mon-Fri 8:00AM-5:00PM CST. Order Status; Login or Sign Up; Search. 0 My ...AN4-36A Airframe Bolt, Inventory: 34, Thread: 1/4-28, Grip Length: 3.312, Fastener Length: 3.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelDrilled for cotter pin application. The length of the AN aircraft bolts is measured from under the head to the end of the shank. The grip is the un-threaded area of the shank. Length: 3/4". Grip: 5/16". AN4 bolts have a 1/4-28 UNF thread and a 1/4" diameter shank. The 0.469 inch thread length on all AN4 bolts (except AN4-3A, which has 0.406 inch thread length) is designed to accommodate a full-height nut and an AN960-416 washer. A or no A? AN bolts were originally designed to be used with a castle nut and cotter pin, so the base part number ... fastener length: 1.156 inches nominal: features provided: finished head: grip length: 0.688 inches nominal: hardness rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall: head height: 0.140 inches minimum and 0.172 inches maximum: head style: c1 hexagon: material AN4-5A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.188, Fastener Length: 0.656, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel.AN4 BOLTS Hex head aircraft bolts are made of high-strength type 4037 or 8740. Toggle menu ... Airframe Bolt - Length: 21/32", Grip: 3/16", Thread: 1/4-28, Cadmium ... AN4 BOLTS. AN4 (1/4 inch - 28) AN Bolt Selection Guide - Picking the right Washers, Cotter Pins and Nuts. Show: Sort By ... AIRFRAME BOLT ~ LENGTH:2-13/32" ~ THREAD:1/4-28 ~ MATERIAL:CADMIUM PLATED STEELCROSS REFERENCE PART .. Add to Cart. Add to Wish List Compare this Product.AN4-50 BOLT. Hex head, grade 8, aircraft bolts, made of high-strength alloy steel (type 8740 most commonly used). Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3. Available drilled shank for cotter pin or undrilled for stop nut, and with or without drilled head for safety wire. Buy from the manufacturer and save! PN: AN4-25 | Aircraft Bolts Price: $ 0.9100 / EA STOCK: 65469. ... Length +.031" / -.016" Grip ± .016" Thread Length Material ; 1.281 INCHES NOMINAL. FEATURES PROVIDED. FINISHED HEAD. GRIP LENGTH. 0.812 INCHES NOMINAL. HARDNESS RATING. 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL. HEAD HEIGHT. 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM. The length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. ... AN4 Bolts, Drilled, 1/ ... Univair Aircraft Corporation 2500 Himalaya Road Aurora, Colorado 80011 Toll Free Sales: 888-433-5433 Phone: 303-375-8882 Material: Steel. Major Diameter: 0.25 in. Thread Per Inch (TPI): 28. Length: 0.906 in. Grip Length: 0.438 in. Industry Standard Specification: AIA/NAS NASM3-20. Descriptive text and images are provided for informational purposes only. Each part will meet or exceed the original manufacturer's specifications.AN4-50 BOLT. Hex head, grade 8, aircraft bolts, made of high-strength alloy steel (type 8740 most commonly used). Minimum tensile strength 125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class 3. Available drilled shank for cotter pin or undrilled for stop nut, and with or without drilled head for safety wire. length: 1-5/32", grip: 11/16", thread: 1/4-28, cadmium plated steel, undrilled shank, AN4 series bolt * Manufacturer certifications are shipped with your order FREE of charge Add to CartAN4-11 Airframe Bolt, Inventory: 35, Thread: 1/4-28, Grip Length: 0.688, Fastener Length: 1.156, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated Steel. MY ACCOUNT. SHOPLIST. COMPARE LIST. Hello. ... AN Series AN3 Airframe Bolts; AN Series AN4 Airframe Bolts; AN Series AN5 Airframe Bolts; AN Series AN6 Airframe Bolts; AN Series ...Undrilled shank = letter "A" after the dash number (AN4-10A) Drilled head = letter "H" after the AN number (AN4H-10) Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). Fastenal Uses Cookies to Improve User Experience. Cookies are not used for the processing, collection or storage of personal data under any circumstances. AN4-12 AN412 : 5306-00-144-3709: Bolt, Machine: Thread Series Designator: UNF Thread Direction: Right-hand Material: Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall The length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. ... AN4 Bolts, Drilled, 1/ ... BOLTS; AN4 SERIES; View as List Grid. Items 1-40 of 46. Page. You're currently reading page 1; Page 2; Page Next; Show. per page. Sort By. Set Descending Direction. Part # Product Head Type ... Length Cross Ref. Part # Price Qty; AN4-10 : AN4-10 - Drilled Shank Bolt ...AN4-10 Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.562, Fastener Length: 1.031, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated SteelThe length of the AN aircraft bolts are measured from under the head to the end of the shank. The grip is the unthreaded area of the shank. ... AN4 Bolts, Drilled, 1/ ... Buy from the manufacturer and save! PN: AN4-25 | Aircraft Bolts Price: $ 0.9100 / EA STOCK: 65469. ... Length +.031" / -.016" Grip ± .016" Thread Length Material ; AN4-11A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.688, Fastener Length: 1.156, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel AN4-6A Airframe Bolt, Inventory: 2885, Thread: 1/4-28, Grip Length: 0.312, Fastener Length: 0.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated Steel AN4-37 Airframe Bolt, Inventory: 2000, Thread: 1/4-28, Grip Length: 3.438, Fastener Length: 3.906, Drilling Type: Drilled Shank, Surface Treatment: Cadmium Plated Steel AN4 BOLTS 1/4-28 DRILLED ... Length of AN aircraft bolts is measured from under the head to the end of the shank. The 'grip' is the smooth portion of the shank (un-threaded). Bolts are Cad I (silver color) unless indicated by an * which are Cad II (gold color) 1241. DIA / THREAD ...AN4-11A Airframe Bolt, Inventory: 10000, Thread: 1/4-28, Grip Length: 0.688, Fastener Length: 1.156, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelAN4-36A Airframe Bolt, Inventory: 34, Thread: 1/4-28, Grip Length: 3.312, Fastener Length: 3.781, Drilling Type: Undrilled, Surface Treatment: Cadmium Plated SteelAN4 bolts have a 1/4-28 UNF thread and a 1/4" diameter shank. The 0.469 inch thread length on all AN4 bolts (except AN4-3A, which has 0.406 inch thread length) is designed to accommodate a full-height nut and an AN960-416 washer. A or no A? AN bolts were originally designed to be used with a castle nut and cotter pin, so the base part number ... AN4 Bolt 1/4 Dia Drilled. ... AN4A Bolt 1/4 Dia Undrilled: ... $0.20 Price Details. AN4-5A. 3/16 Grip 21/32 Length Ship To: $0.20 Price Details. AN4-6A. 5/16 Grip 25/ ... AN3-AN20 AN4 Aircraft Bolts .2500-28 UNF-3A AIRCRAFT BOLT Finish Codes: No finish code after basic part number for alloy steel cadmium plated bolt. Add "C" after basic part number for passivated corrosion-resistant steel bolt. Add "DD" after basic part number for aluminum alloy bolt. Add "H" after the basic part number for bolt with drilled head.Yes, take me to the new store (limited early release and public test phase) No thanks, I'll use the "classic" store (will be retired soon) xo