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AN526 Machine Screws

272 Reviews 8 Answered Questions
From $0.06 to $1.57
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Material Thread Length Part No. Phillips Price Slotted Price
Cad Plated4-401/4
AN526-440R4
$0.20
Quantity
-
Cad Plated4-403/8
AN526-440R6
$0.07
Quantity
-
Cad Plated4-401/2
AN526-440R8
$0.06
Quantity
-
Cad Plated6-321/4
AN526-632R4
$0.06
Quantity
-
Cad Plated6-325/16
AN526-632R5
$0.06
Quantity
-
Cad Plated6-323/8
AN526-632R6
$0.07
Quantity
-
Cad Plated6-327/16
AN526-632R7
$0.06
Quantity
-
Cad Plated6-321/2
AN526-632R8
$0.07
Quantity
$0.15
Quantity
Cad Plated6-329/16
AN526-632R9
$0.08
Quantity
-
Cad Plated6-325/8
AN526-632R10
$0.07
Quantity
$1.20
Quantity
Cad Plated6-323/4
AN526-632R12
$0.11
Quantity
$0.48
Quantity
Cad Plated6-327/8
AN526-632R14
$0.09
Quantity
-
Cad Plated6-321
AN526-632R16
$0.09
Quantity
$0.21
Quantity
Cad Plated6-321-1/4
AN526-632-R20
$0.22
Quantity
--
Cad Plated6-321-1/2
AN526-632-R24
$0.17
Quantity
-
Cad Plated6-322
AN526-632-R32
$0.20
Quantity
-
Cad Plated8-321/4
AN526-832R4
$0.08
Quantity
-
Cad Plated8-325/16
AN526-832R5
$0.10
Quantity
-
Cad Plated8-323/8
AN526-832R6
$0.10
Quantity
-
Cad Plated8-327/16
AN526-832R7
$0.08
Quantity
-
Cad Plated8-321/2
AN526-832R8
$0.11
Quantity
$0.46
Quantity
Cad Plated8-329/16
AN526-832R9
$0.10
Quantity
-
Cad Plated8-325/8
AN526-832R10
$0.12
Quantity
-
Cad Plated8-323/4
AN526-832R12
$0.12
Quantity
$0.24
Quantity
Cad Plated8-327/8
AN526-832R14
$0.12
Quantity
-
Cad Plated8-321
AN526-832R16
$0.13
Quantity
$0.19
Quantity
Cad Plated8-321-1/4
AN526-832-R20
$0.19
Quantity
-
Cad Plated8-321-1/2
AN526-832-R24
$0.29
Quantity
-
Cad Plated10-321/4
AN526-1032R4
$0.11
Quantity
-
Cad Plated10-325/16
AN526-1032R5
$0.08
Quantity
-
Cad Plated10-323/8
AN526-1032R6
$0.10
Quantity
-
Cad Plated10-327/16
AN526-1032R7
$0.11
Quantity
-
Cad Plated10-321/2
AN526-1032R8
$0.12
Quantity
$0.48
Quantity
Cad Plated10-329/16
AN526-1032R9
$0.11
Quantity
-
Cad Plated10-325/8
AN526-1032R10
$0.13
Quantity
$0.36
Quantity
Cad Plated10-323/4
AN526-1032R12
$0.14
Quantity
$0.66
Quantity
Cad Plated10-327/8
AN526-1032R14
$0.14
Quantity
-
Cad Plated10-321
AN526-1032R16
$0.16
Quantity
$0.32
Quantity
Cad Plated10-321-1/8
AN526-1032R18
$0.13
Quantity
$0.31
Quantity
Cad Plated10-321-1/4
AN526-1032R20
$0.16
Quantity
-
Cad Plated10-321-1/2
AN526-1032R24
$0.29
Quantity
Cad Plated10-322
AN526-1032R32
$0.52
Quantity
-
Stainless4-401/2
AN526C-440R8
$0.13
Quantity
-
Stainless6-321/4
AN526C-632R4
$0.08
Quantity
$0.75
Quantity
Stainless6-323/8
AN526C-632R6
$0.13
Quantity
-
Stainless6-321/2
AN526C-632R8
$0.12
Quantity
$0.24
Quantity
Stainless6-325/8
AN526C-632R10
$0.11
Quantity
$0.30
Quantity
Stainless6-323/4
AN526C-632R12
$0.14
Quantity
$0.22
Quantity
Stainless6-321
AN526C-632R16
$0.13
Quantity
$0.29
Quantity
Stainless8-321/4
AN526C-832R4
$0.14
Quantity
-
Stainless8-325/16
AN526C-832R5
$0.26
Quantity
-
Stainless8-323/8
AN526C-832R6
$0.13
Quantity
-
Stainless8-327/16AN526C-832R7$0.13
Quantity
-
Stainless8-321/2
AN526C-832R8
$0.15
Quantity
$0.20
Quantity
Stainless8-325/8
AN526C-832R10
$0.17
Quantity
$0.30
Quantity
Stainless8-323/4
AN526C-832R12
$0.19
Quantity
Stainless8-321
AN526C-832R16
$0.19
Quantity
$1.50
Quantity
Stainless10-321/4
AN526C-1032R4
$0.38
Quantity
-
Stainless10-323/8
AN526C-1032R6
$0.17
Quantity
$0.28
Quantity
Stainless10-321/2
AN526C-1032R8
$0.21
Quantity
$0.27
Quantity
Stainless10-325/8
AN526C-1032R10
$0.38
Quantity
$0.80
Quantity
Stainless10-323/4
AN526C-1032R12
$0.26
Quantity
-
Stainless10-321
AN526C-1032R16
$0.21
Quantity
$0.40
Quantity
Stainless10-321-1/2
AN526C-1032R24
$0.28
Quantity
-
Stainless1/4-201/2
AN526C-420R8
$1.57
Quantity
-
Stainless1/4-281/2
AN526C-428R8
$0.92
Quantity
-
Stainless1/4-283/4
AN526C-428R12
$0.42
Quantity
-
Subtotal $0.00
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Overview

Truss-head non-structural machine screws made of carbon steel, cadmium plated. Minimum tensile strength 55,000 PSI. Available in slot head or Phillips recessed head.
   
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Documents

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Reviews

Submit a Review

Product review not possible, product not received yet

Joerg B Verified Purchase

AN526C832R7 Screw
July 1, 2025

Patterson A Verified Purchase

AN526C-632R8 Stainless Steel Machine Screw
June 11, 2025

good product

Dwain H Verified Purchase

Stainless Steel Machine Screw AN526C-1032R8
April 29, 2025

Perfect!

Thomas D Verified Purchase

Stainless Steel Machine Screw AN526C-1032R8
February 13, 2025

Perfect!

Thomas D Verified Purchase

Stainless Steel Machine Screw AN526C-1032R6
February 13, 2025

Bernie E Verified Purchase

Stainless Steel Machine Screw AN526C-1032R8
January 31, 2025

Bernie E Verified Purchase

Stainless Steel Machine Screw AN526C-832R12
January 31, 2025

Bernie E Verified Purchase

Stainless Steel Machine Screw AN526C-832R16
January 31, 2025

Bernie E Verified Purchase

Stainless Steel Machine Screw AN526C1032R16
January 31, 2025

Bernie E Verified Purchase

Stainless Steel Machine Screw AN526C1032R12
January 31, 2025

Q&A

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Please note, Aircraft Spruce ®'s personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce ® assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Are the lengths of machine screws measured by the length of the threaded portion not including the head?

Yes, they are measured from the bottom of the head to the end of the screw, the threaded portion.

Q: The AN526C-440R8 is metric thread?

No, it is a standard 4-40 thread.

Q: What do the numbers in the thread size column mean? ie 4-40. what does the 4-40 mean

The first number is the size, or diameter, and the dash number is the thread count per inch. A #4 screw is .112" diameter.

Q: Regarding non-structural use of AN526 and AN365 hardware... What is the difference (reason for purchasing) stainless vs. Cad plated?

You may want to consult with your A&P for more details of which would be better for your application. We suggest using the hardware recommended in the aircraft parts and maintenance manuals.

Q: Is there a difference in strength between the CAD plated and the Stainless?

No, any strength difference would be based on the thread type. These all have a 55,000 psi minimum tensile strength.

Q: What does the R8 stand for in AN526C-632R8 and AN526C-440R8?

That is the length, R8 is 1/2 inch.

Q: Are these truss head screws or round head?

AN526 screws are Truss head.

Q: What colours do these AN526440R screws have? Are they black or silver?

These screws come in a silver CAD plated version.

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