bolts › shear bolts
NAS624-18
Shear Bolt
Description
twelve point, external wrenching
Specifications
| Extended Washer Diameter | 0.433 |
|---|---|
| Extended Washer Thickness | 0.069 |
| Fastener Length | 1.595 inches minimum and 1.625 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 1.115 inches minimum and 1.135 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.300 |
| Head Style | Double hexagon w/hole |
| Length | 1 5/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Specification Data | 80205-nas624 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.460 inches minimum and 0.510 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.306 inches minimum and 0.315 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 NAS624-18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error