bolts › close tolerance bolts
AN176H17
Aeronautical Standard Bolt
Description
Fastener Length: 1-63/64", Hole Diameter: 1/16", Thread: 3/8-24, Thread Length: 11/16"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.734 inches minimum first hole and 1.766 inches maximum first hole |
|---|---|
| Fastener Length | 1.938 inches minimum and 1.984 inches maximum |
| Grip Diameter | 0.3737 inches minimum and 0.3742 inches maximum |
| Grip Length | 1.297 inches minimum and 1.328 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.203 inches minimum and 0.235 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 1 63/64 |
| Material | Steel |
| 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 Finish | 63.0 microinches bearing surface of head, 63.0 microinches grip |
| 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 | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.609 inches minimum and 0.688 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 3/8 |
| Width Between Flats | 0.553 inches minimum and 0.565 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 AN176H17. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error