bolts › machine bolts
AN101116
Aeronautical Standard Machine Bolt
Description
Fastener Length: 1-1/8", Thread: 1/4-28, Thread Length: 5/8
Specifications
| Fastener Length | 1.125 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.500 |
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | 0.156 |
| Head Style | Hexagon Head |
| Length | 1 1/8 |
| Material | Steel |
| Material Specification | Ams 6322 assn standard single material response |
| Surface Finish | 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams 2400 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.625 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.430 inches and 0.439 inches |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- A102-5E Other 1/4-28 · 0.073 in · Hexagon Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error