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MS21250H04004

12 Point Bolt

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Description

12 Point Bolt

Specifications

Country of Origin USA
Extended Washer Diameter Between 0.428 inches and 0.438 inches
Extended Washer Thickness 0.069
Fastener Length 0.762
Grip Diameter Between 0.2485 inches and 0.2495 inches
Grip Length 0.250
Hardness Rating 39.0 rockwell c and 43.0 rockwell c
Head Height 0.300
Head Style Double hexagon w/hole
Hole Configuration Style Double hexagon longitudinal hole
Hole Diameter 0.037
Hole Quantity 4
Hole Type Drilled
Length 3/4
Material Steel
Min. Tensile Strength (psi) 180000 pounds per square inch
NIIN 00-942-2186
NSN 5306-00-942-2186
Surface Treatment Cadmium and chromate
Surface Treatment Specification Cl 3 federal specification single treatment response type 2 qq-p-416
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.492
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series UNF
Thread Series Designator Unf (fine thread)
Thread Size 1/4
Weight 0.015 lb
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