bolts › machine bolts
PBF7521-8DN25
Bolt
Description
Fastener Length: 2-3/32", Thread: 1/2-20, Thread Length: 1/2"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.825 inches minimum first hole and 1.845 inches maximum first hole |
|---|---|
| Fastener Length | 2.080 inches minimum and 2.100 inches maximum |
| Grip Diameter | 0.4982 inches minimum and 0.4991 inches maximum |
| Grip Length | 1.552 inches minimum and 1.572 inches maximum |
| Head Height | 0.281 |
| Head Style | Spline drive shear head |
| Length | 2 3/32 |
| Material | Steel |
| Material Specification | Ams6487 assn std single material response |
| Min. Tensile Strength (psi) | 220000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.106 inches nominal first hole |
| Special Features | Dry film lube per mil-l-8937b on bearing surface of head and grip |
| Surface Treatment | Cadmium top of |
| Surface Treatment Specification | Nas672 national spec single treatment response threads, Nas672 national spec single treatment response top of head |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.528 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 1/2 |
| Width Between Flats | 0.901 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for PBF7521-8DN25. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error