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AN8-6
Aeronautical Standard Machine Bolt
Description
Fastener Length: 7/8", Thread: 1/2-20, Thread Length: 53/64
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 0.656 inches minimum first hole and 0.688 inches maximum first hole |
|---|---|
| Fastener Length | 0.828 inches minimum and 0.875 inches maximum |
| Features Provided | Finished head |
| Grip Length | 0.047 inches minimum and 0.078 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.265 inches minimum and 0.297 inches maximum |
| Head Style | Hexagon Head |
| Length | 7/8 |
| Material | Steel |
| Material Specification | Il-s-5626 mil spec 10th material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams 6300 assn std 6th material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.106 inches minimum first hole and 0.116 inches maximum first hole |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 inches minimum and 0.828 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 1/2 |
| Width Between Flats | 0.740 inches minimum and 0.752 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN8-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error