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HT4011-5-5

Screw

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Description

Fastener Length: 51/64", Thread: 1/4-24, Thread Length: 5/16"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 0.763 inches minimum and 0.810 inches maximum
Head Diameter 0.461 inches minimum and 0.507 inches maximum
Head Style Flat countersunk
Internal Drive Style High-torque
Length 51/64
Material Steel
Material Specification Ams5629 assn std single material response
Shoulder Diameter 0.342 inches minimum first shoulder and 0.343 inches maximum first shoulder
Shoulder Length 0.302 inches minimum first shoulder and 0.322 inches maximum first shoulder
Shoulder Shape Round first shoulder
Special Features Internal hexagon socket 0.127 in. min and 0.130 in. max width across flats,0.160 in. deep in thread end
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.302 inches minimum and 0.322 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 1/4

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.

  • ST3M506-5-5 Other 1/4-24 · 25/32 in · Flat countersunk · Steel

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