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NAS1190-08P8

Screw

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Description

Fastener Length: 1/2", Thread: 8-32, Thread Length: 1/2"

Specifications

Bearing Surface Of Head Surface Finish 32.0 microinches
Fastener Length 0.469 inches minimum and 0.500 inches maximum
Hardness Rating 36.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter 0.306 inches minimum and 0.322 inches maximum
Head Height 0.105 inches minimum and 0.115 inches maximum
Head Style Pan Head
Internal Drive Style Cross recess type 1
Length 1/2
Locking Feature Strip or pellet or patch
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Screw Material Steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Surface Treatment Cadmium and chromate
Screw Surface Treatment Specification Qq-p-416,ty 2 cl 2 fed spec single treatment response
Specification Data 80205-nas1190 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 0.407 inches minimum and 0.500 inches maximum
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNJC
Thread Size 8
Thread Surface Finish 32.0 microinches

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