bolts › shear bolts
MS21250H05012
Military Standard Shear Bolt
Description
Fastener Length: 1-11/32", Hole Diameter: ", Thread: 1/4-24, Thread Length: 39/64", MS21250 series bolt
Specifications
| Extended Washer Diameter | 0.521 inches minimum and 0.531 inches maximum |
|---|---|
| Extended Washer Thickness | 0.082 |
| Fastener Length | 1.349 |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 0.740 inches minimum and 0.760 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.348 |
| Head Style | Double hexagon w/hole |
| Hole Configuration Style | Round |
| Hole Diameter | 0.055 |
| Hole Quantity | 4 |
| Hole Type | Drilled |
| Length | 1 11/32 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.589 inches minimum and 0.609 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error