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MS18063-12

Military Standard Setscrew

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Description

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

Specifications

Drive Style Hexagon
Fastener Length 0.250
Hardness Rating 33.0 rockwell c and 40.0 rockwell c
Head Style Headless (setscrew)
Internal Drive Style Hexagon
Length 1/4
Locking Feature Patch threads or pellet threads or strip threads
Material Steel
Material Specification 66 federal standard all material responses
Point Style Cup
Surface Treatment Cadmium and chromate
Surface Treatment Specification Qq-p-416 type 2 class 3 federal specification all treatment responses
Thread Class 3a
Thread Diameter 0.164
Thread Direction Right-hand
Thread Length 0.250
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNC
Thread Series Designator Unc (coarse thread)
Thread Size 8
Width Across Flats Between 0.078 inches and 0.079 inches

Other sizes

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

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

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  • MS51021-32 MS #8-32 · 1/4 in · Headless (setscrew) · Steel
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  • MS51965-29 MS #8-32 · 1/4 in · Headless (setscrew) · Steel
  • MS51977-30 MS #8-32 · 1/4 in · Headless (setscrew) · Steel

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