bolts › shear bolts
MS21250-18018
Military Standard Shear Bolt
Description
Fastener Length: 2-51/64", Thread: 1-1/8-12, Thread Length: 1-11/16", MS21250 series bolt
Specifications
| Extended Washer Diameter | Between 1.865 inches and 1.875 inches |
|---|---|
| Extended Washer Thickness | Between 0.248 inches and 0.268 inches |
| Fastener Length | Between 2.785 inches and 2.805 inches |
| Grip Diameter | Between 1.1225 inches and 1.1240 inches |
| Grip Length | Between 1.115 inches and 1.135 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | Between 1.041 inches and 1.061 inches |
| Head Style | Double hexagon w/hole |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 1.125 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.650 inches and 1.690 inches |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Width Between Flats | Between 1.240 inches and 1.260 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-18018. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error