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NAS1081-08D4

Setscrew

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Description

Fastener Length: 1/4", Thread: 8-32, Head Width: 5/64", Thread Length: 1/4"

Specifications

Fastener Length 0.250
Hardness Rating 33.0 rockwell c minimum and 40.0 rockwell c maximum
Head Style Headless (setscrew)
Internal Drive Style Hexagon
Locking Feature Patch threads or pellet threads or strip threads
Material Steel
Material Specification 66 fed std all material responses
Point Style Cup
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 3 fed spec all treatment responses
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 0.250 inches maximum
Thread Qty Per Inch (tpi) 32
Thread Series Designator UNC
Width Across Flats 0.078 inches minimum and 0.079 inches maximum

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

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