bolts › close tolerance bolts
AN175H7A
Aeronautical Standard Bolt
Description
Fastener Length: 0-63/64", Hole Diameter: 1/16", Thread: 1/4-24, Thread Length: 37/64"
Specifications
| Fastener Length | 0.953 inches minimum and 1.000 inches maximum |
|---|---|
| Grip Diameter | 0.3112 inches minimum and 0.3117 inches maximum |
| Grip Length | 0.422 inches minimum and 0.453 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.172 inches minimum and 0.204 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 0 63/64 |
| Material | Steel |
| 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 single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 inches minimum and 0.578 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.490 inches minimum and 0.502 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 AN175H7A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error