bolts › close tolerance bolts
NAS1581K7T25
Bolt
Description
Fastener Length: 1-11/16", Thread: 7/16-20, Thread Length: 43/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.660 inches minimum and 1.690 inches maximum |
| Grip Diameter | 0.4365 inches minimum and 0.4370 inches maximum |
| Grip Length | 1.552 inches minimum and 1.572 inches maximum |
| Head Diameter | 0.605 inches minimum and 0.674 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 11/16 |
| Material | Titanium |
| Material Specification | Ams 4928 assn std single material response or ams 4967 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-1581 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.675 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 7/16 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1581K7T25. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error