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AN500A8-18
Aeronautical Standard Screw
Description
Fastener Length: 1-1/8", Hole Diameter: 1/32", Thread: 8-32, Thread Length: 1-1/8"
Specifications
| Fastener Length | 1.125 |
|---|---|
| Head Diameter | 0.250 inches minimum and 0.270 inches maximum |
| Head Height | 0.106 inches minimum and 0.113 inches maximum |
| Head Hole Configuration Style | Round |
| Head Style | Fillister |
| Hole Diameter | 0.046 |
| Hole Quantity | 1 |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Screw Material | Steel or steel comp 1010 |
| Screw Material Specification | Qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 1.063 inches minimum and 1.125 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN500A8-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error