bolts › shear bolts
MS21250-08008
Military Standard Shear Bolt
Description
Fastener Length: 1-9/32", Thread: 1/2-20, Thread Length: 51/64", MS21250 series bolt
Specifications
| Extended Washer Diameter | Between 0.818 inches and 0.828 inches |
|---|---|
| Extended Washer Thickness | 0.123 |
| Fastener Length | 1.288 |
| Grip Diameter | Between 0.4985 inches and 0.4995 inches |
| Grip Length | Between 0.490 inches and 0.510 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | 0.504 |
| Head Style | Double hexagon w/hole |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 3 federal specification all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.778 inches and 0.798 inches |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/2 |
| Width Between Flats | Between 0.553 inches and 0.564 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-08008. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error