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MS18063-14

Military Standard Setscrew

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Description

Fastener Length: 1/4", Thread: 1/4-28, Head Width: 1/8", 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
Length 1/4
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 0.250
Thread Direction Right-hand
Thread Length 0.250 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNF
Thread Size 1/4
Width Across Flats 0.125 inches minimum and 0.127 inches maximum

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.

  • AN565D428H4 AN 1/4-28 · 1/4 in · Headless (setscrew) · Steel
  • AN565DC428H14 AN 1/4-28 · 1/4 in · Headless (setscrew) · CRES
  • AN565DC428H4 AN 1/4-28 · 1/4 in · Headless (setscrew) · CRES
  • MS51031-58 MS 1/4-28 · 1/4 in · Headless (setscrew) · CRES

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