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MS21250-08028

Military Standard Shear Bolt

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Description

Thread: 1/4-28

Specifications

Extended Washer Diameter Between 0.428 inches and 0.438 inches
Extended Washer Thickness 0.069
Grip Diameter Between 0.2485 inches and 0.2495 inches
Hardness Rating 39.0 rockwell c and 43.0 rockwell c
Head Height 0.300
Head Style Double hexagon w/hole
Material Steel
Min. Tensile Strength (psi) 180000 pounds per square inch
Surface Treatment Cadmium and chromate
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 1/4
Width Between Flats Between 0.304 inches and 0.313 inches

Cross-reference

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Catalog data updated 2026-07-05. Report a data error