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NAS1351-5-16

Socket Head Cap Screw

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Description

Socket Head Cap Screw

Specifications

Color Black
Fastener Length 0.970 inches minimum and 1.000 inches maximum
Hardness Rating 38.0 rockwell c minimum and 45.0 rockwell c maximum
Head Diameter 0.457 inches minimum and 0.469 inches maximum
Head Height 0.306 inches minimum and 0.312 inches maximum
Head Style Flat chamfer
Internal Drive Style Hexagon
Material Steel
Min. Tensile Strength (psi) 170000 pounds per square inch
Minimum Yield Strength 150000 pounds per square inch
Specification Data 80205-nas1351 professional/industrial association standard
Surface Treatment Oxide
Surface Treatment Specification Mil-c-13924 class 1 mil spec single treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.887 inches minimum and 1.000 inches maximum
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNRF
Width Across Flats 0.2500 inches minimum and 0.2530 inches maximum

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