bolts › machine bolts
AN9-24A
Aeronautical Standard Machine Bolt
Description
length: 2-21/32", grip: 1-3/4", thread: 9/16-18, cadmium plated steel, undrilled shank, AN9 series bolt
Specifications
| Fastener Length | 2.656 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 1.750 |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.296 inches minimum and 0.328 inches maximum |
| Head Style | Hexagon Head |
| Length | 2 5/8 |
| Material | Steel |
| Material Specification | Mil-b-6812 mil spec all material responses |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.562 |
| Thread Direction | Right-hand |
| Thread Length | 0.906 inches minimum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNF |
| Thread Size | 1/2 |
| Width Between Flats | 0.865 inches minimum and 0.877 inches maximum |
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 AN9-24A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error