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MS9686-07

Military Standard Screw

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Description

Fastener Length: 9/16", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 29/64"

Specifications

Fastener Length 0.562
Hardness Rating 42.0 rockwell c minimum and 46.0 rockwell c maximum
Head Height 0.167 inches minimum and 0.183 inches maximum
Head Style Hexagon Head
Hole Configuration Style Hexagon flats
Hole Diameter 0.060 inches minimum and 0.070 inches maximum
Hole Quantity 1
Hole Type Drilled
Length 1/2
Material Steel
Surface Finish 125.0 microinches
Surface Treatment Nickel and cadmium
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.450 inches minimum and 0.464 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.430 inches minimum and 0.439 inches maximum

Cross-reference

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