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MS16998-80

Hexagon Socket Cap Screw

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Description

Fastener Length: 2-1/2", Thread: 3/8-24, Head Width: 5/16", Thread Length: 1-1/2

Specifications

Fastener Length 2.460 inches minimum and 2.500 inches maximum
Finish Cadmium ll
Hardness Rating 36.0 rockwell c minimum and 45.0 rockwell c maximum
Head Diameter 0.550 inches minimum and 0.562 inches maximum
Head Height 0.368 inches minimum and 0.375 inches maximum
Head Style Flat chamfer
Internal Drive Style Hexagon
Length 2 1/2
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Minimum Yield Strength 130000 pounds per square inch
Size 3/8-24
Surface Treatment Cadmium and chromate
Surface Treatment Specification Aqq-p-416,type 2,class 3 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.375
Thread Direction Right-hand
Thread Length 1.460 inches minimum and 1.500 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNF
Thread Size 3/8
Thread Type N.F. - Fine
Width Across Flats 0.312 inches minimum and 0.316 inches maximum

Cross-reference

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