Aircraft Spruce & Specialty Co.
Corona, CA | Chicago, IL
Wasilla, AK | Peachtree City, GA
Brantford, ON Canada
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| Material | Thread | Length | Part No. | Phillips Price | Slotted Price |
|---|---|---|---|---|---|
| Cad Plated | 4-40 | 1/4 | AN526-440R4 | $0.20 | - |
| Cad Plated | 4-40 | 3/8 | AN526-440R6 | $0.07 | - |
| Cad Plated | 4-40 | 1/2 | AN526-440R8 | $0.06 | - |
| Cad Plated | 6-32 | 1/4 | AN526-632R4 | $0.06 | - |
| Cad Plated | 6-32 | 5/16 | AN526-632R5 | $0.06 | - |
| Cad Plated | 6-32 | 3/8 | AN526-632R6 | $0.06 | - |
| Cad Plated | 6-32 | 7/16 | AN526-632R7 | $0.06 | - |
| Cad Plated | 6-32 | 1/2 | AN526-632R8 | $0.06 | $0.11 |
| Cad Plated | 6-32 | 9/16 | AN526-632R9 | $0.08 | - |
| Cad Plated | 6-32 | 5/8 | AN526-632R10 | $0.07 | $0.54 |
| Cad Plated | 6-32 | 3/4 | AN526-632R12 | $0.08 | $0.16 |
| Cad Plated | 6-32 | 7/8 | AN526-632R14 | $0.09 | - |
| Cad Plated | 6-32 | 1 | AN526-632R16 | $0.08 | $0.21 |
| Cad Plated | 6-32 | 1-1/4 | AN526-632-R20 | $0.22 | $0.25 |
| Cad Plated | 6-32 | 1-1/2 | AN526-632-R24 | $0.17 | - |
| Cad Plated | 6-32 | 2 | AN526-632-R32 | $0.20 | - |
| Cad Plated | 8-32 | 1/4 | AN526-832R4 | $0.08 | - |
| Cad Plated | 8-32 | 5/16 | AN526-832R5 | $0.10 | - |
| Cad Plated | 8-32 | 3/8 | AN526-832R6 | $0.07 | - |
| Cad Plated | 8-32 | 7/16 | AN526-832R7 | $0.08 | - |
| Cad Plated | 8-32 | 1/2 | AN526-832R8 | $0.07 | $0.46 |
| Cad Plated | 8-32 | 9/16 | AN526-832R9 | $0.09 | - |
| Cad Plated | 8-32 | 5/8 | AN526-832R10 | $0.08 | - |
| Cad Plated | 8-32 | 3/4 | AN526-832R12 | $0.10 | $0.24 |
| Cad Plated | 8-32 | 7/8 | AN526-832R14 | $0.09 | - |
| Cad Plated | 8-32 | 1 | AN526-832R16 | $0.11 | $0.19 |
| Cad Plated | 8-32 | 1-1/8 | AN526-832-R18 | $0.18 | $0.19 |
| Cad Plated | 8-32 | 1-1/4 | AN526-832-R20 | $0.19 | - |
| Cad Plated | 8-32 | 1-1/2 | AN526-832-R24 | $0.29 | - |
| Cad Plated | 10-32 | 1/4 | AN526-1032R4 | $0.11 | - |
| Cad Plated | 10-32 | 5/16 | AN526-1032R5 | $0.08 | - |
| Cad Plated | 10-32 | 3/8 | AN526-1032R6 | $0.10 | - |
| Cad Plated | 10-32 | 7/16 | AN526-1032R7 | $0.09 | - |
| Cad Plated | 10-32 | 1/2 | AN526-1032R8 | $0.09 | $0.48 |
| Cad Plated | 10-32 | 9/16 | AN526-1032R9 | $0.10 | - |
| Cad Plated | 10-32 | 5/8 | AN526-1032R10 | $0.11 | $0.16 |
| Cad Plated | 10-32 | 3/4 | AN526-1032R12 | $0.12 | $0.13 |
| Cad Plated | 10-32 | 7/8 | AN526-1032R14 | $0.12 | - |
| Cad Plated | 10-32 | 1 | AN526-1032R16 | $0.13 | $0.32 |
| Cad Plated | 10-32 | 1-1/8 | AN526-1032R18 | $0.13 | $0.31 |
| Cad Plated | 10-32 | 1-1/4 | AN526-1032R20 | $0.16 | - |
| Cad Plated | 10-32 | 1-1/2 | AN526-1032R24 | $0.29 | |
| Cad Plated | 10-32 | 2 | AN526-1032R32 | $0.52 | - |
| Stainless | 4-40 | 1/2 | AN526C-440R8 | $0.08 | - |
| Stainless | 6-32 | 1/4 | AN526C-632R4 | $0.07 | $0.33 |
| Stainless | 6-32 | 3/8 | AN526C-632R6 | $0.09 | - |
| Stainless | 6-32 | 1/2 | AN526C-632R8 | $0.08 | $0.20 |
| Stainless | 6-32 | 5/8 | AN526C-632R10 | $0.09 | $0.30 |
| Stainless | 6-32 | 3/4 | AN526C-632R12 | $0.10 | $0.22 |
| Stainless | 6-32 | 1 | AN526C-632R16 | $0.13 | $0.29 |
| Stainless | 8-32 | 1/4 | AN526C-832R4 | $0.14 | - |
| Stainless | 8-32 | 3/8 | AN526C-832R6 | $0.10 | - |
| Stainless | 8-32 | 7/16 | AN526C-832R7 | $0.11 | - |
| Stainless | 8-32 | 1/2 | AN526C-832R8 | $0.10 | $0.18 |
| Stainless | 8-32 | 5/8 | AN526C-832R10 | $0.11 | $0.23 |
| Stainless | 8-32 | 3/4 | AN526C-832R12 | $0.13 | $0.34 |
| Stainless | 8-32 | 1 | AN526C-832R16 | $0.16 | $1.50 |
| Stainless | 10-32 | 1/4 | AN526C-1032R4 | $0.38 | - |
| Stainless | 10-32 | 3/8 | AN526C-1032R6 | $0.14 | $0.28 |
| Stainless | 10-32 | 1/2 | AN526C-1032R8 | $0.13 | $0.24 |
| Stainless | 10-32 | 5/8 | AN526C-1032R10 | $0.18 | $0.20 |
| Stainless | 10-32 | 3/4 | AN526C-1032R12 | $0.19 | - |
| Stainless | 10-32 | 1 | AN526C-1032R16 | $0.18 | $0.40 |
| Stainless | 10-32 | 1-1/2 | AN526C-1032R24 | $0.28 | - |
| Stainless | 1/4-20 | 1/2 | AN526C-420R8 | $1.57 | - |
| Stainless | 1/4-28 | 1/2 | AN526C-428R8 | $0.37 | - |
| Stainless | 1/4-28 | 3/4 | AN526C-428R12 | $0.42 | - |
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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. |
Documents
Reviews
Very pleasent with the Products. Aircraft Spruce very expedite in the dispatch and shipping proces
Verified Purchase
AN526-440R6 TRUSS HD SCREW
ditto
Verified Purchase
SCREW, MACHINE AN526-832-R6
ditto
Verified Purchase
SCREW, MACHINE AN526-832-R8
ditto
Verified Purchase
AN526-1032R8 CAD MACHINE SCREW
ditto
Verified Purchase
SCREW, MACHINE AN526-1032-R10
Verified Purchase
SS MACHINE SCREW AN526C-832R6
Annual mech. went back with aluminum screws (and put them in super tight). These replaces those for the cowling on my Cirrus
Verified Purchase
SCREW, MACHINE AN526-832-R12
Just the right length
Verified Purchase
SS SCREW AN526C-632R6
perfect !
Verified Purchase
SCREW, MACHINE AN526-1032-R10
Verified Purchase
SS MACHINE SCREW AN526C-832R6
Q&A
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.
Yes, they are measured from the bottom of the head to the end of the screw, the threaded portion.
No, it is a standard 4-40 thread.
The first number is the size, or diameter, and the dash number is the thread count per inch. A #4 screw is .112" diameter.
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.
No, any strength difference would be based on the thread type. These all have a 55,000 psi minimum tensile strength.
That is the length, R8 is 1/2 inch.
AN526 screws are Truss head.
