bolts › shear bolts
MS21250-12034
Military Standard Shear Bolt
Description
Fastener Length: 3-3/16", Thread: 3/4-16, Thread Length: 1-1/16
Specifications
| Extended Washer Diameter | 1.220 inches minimum and 1.230 inches maximum |
|---|---|
| Extended Washer Thickness | 0.168 inches minimum and 0.188 inches maximum |
| Fastener Length | 3.171 inches minimum and 3.191 inches maximum |
| Grip Diameter | 0.7480 inches minimum and 0.7490 inches maximum |
| Grip Length | 2.115 inches minimum and 2.135 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.701 inches minimum and 0.721 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 3 3/16 |
| Material | Steel |
| Special Features | Chamfer on thd end 0.046 in. min 0.078 in. max at 45 deg angle; internal chamfer on thread end 0.187 in. at 60 deg angle |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.750 |
| Thread Direction | Right-hand |
| Thread Length | 1.036 inches minimum and 1.076 inches maximum |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series Designator | UNJF |
| Thread Size | 3/4 |
| Width Between Flats | 0.802 inches minimum and 0.822 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-12034. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error