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MS51975-8

Hexagon Socket Shoulder Screw

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Description

Fastener Length: 59/64", Thread: 1/4-20, Head Width: 5/32", Thread Length: 27/64", MS51975 series screw

Specifications

Fastener Length 0.923 inches minimum and 0.933 inches maximum
Finish Cadmium ll
Hardness Rating 32.0 rockwell c minimum and 43.0 rockwell c maximum
Head Diameter 0.419 inches minimum and 0.437 inches maximum
Head Height 0.209 inches minimum and 0.219 inches maximum
Head Style Flat chamfer
Internal Drive Style Hexagon
Length 59/64
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Shoulder Diameter 0.3085 inches minimum first shoulder and 0.3105 inches maximum first shoulder, 5/16
Shoulder Length 0.495 inches minimum first shoulder and 0.505 inches maximum first shoulder, 1/2
Shoulder Shape Round first shoulder
Size 1/4-20
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 0.250
Thread Direction Right-hand
Thread Length 0.418 inches minimum and 0.438 inches maximum, 7/16
Thread Qty 20
Thread Qty Per Inch (tpi) 20
Thread Series Designator UNC
Thread Size 1/4
Thread Type N.C. - Coarse
Width Across Flats 0.156

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS51975-8. Try the cross-reference lookup to search by a different part number.

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