bolts › machine bolts
C7521-4-7
Bolt
Description
Fastener Length: 13/16", Thread: 1/4-28, Thread Length: "
Specifications
| Fastener Length | 0.798 inches minimum and 0.818 inches maximum |
|---|---|
| Grip Diameter | 0.2483 inches minimum and 0.2492 inches maximum |
| Grip Length | 0.428 inches minimum and 0.448 inches maximum |
| Head Height | 0.164 |
| Head Minor Diameter | 0.531 |
| Head Style | Spline drive shear head |
| Length | 13/16 |
| Material | Steel |
| Material Specification | Ams 6487 assn std single material response |
| Min. Tensile Strength (psi) | 220000 pounds per square inch |
| Single Shear Strength | 132000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- C7521-4-7
- C7521-4-8
Cross-reference
No interchangeable or dimensionally similar parts are on record for C7521-4-7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error