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ST3M506-6-11

Screw

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Description

Fastener Length: 1-15/64", Thread: 3/8-24, Thread Length: 35/64"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 1.188 inches minimum and 1.235 inches maximum
Head Diameter 0.542 inches minimum and 0.596 inches maximum
Head Style Flat countersunk
Internal Drive Style High-torque
Length 1 15/64
Material Steel
Material Specification Ams5629 assn std single material response
Shoulder Diameter 0.406 inches maximum first shoulder
Shoulder Length 0.678 inches minimum first shoulder and 0.698 inches maximum first shoulder
Shoulder Shape Round first shoulder
Special Features Internal hexagon socket 0.158 in. min and 0.162 in. max width across flats,0.190 in. deep in thread end
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.375
Thread Direction Right-hand
Thread Length 0.490 inches minimum and 0.557 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 3/8

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.

  • HT4011-6-10 Other 3/8-24 · 0.073 in · Flat countersunk · Steel
  • ST3M506-6-10 Other 3/8-24 · 0.073 in · Flat countersunk · Steel

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