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HT4068-4-9A

Screw

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Description

Fastener Length: 1-1/32", Thread: 1/4-28, Thread Length: 31/64"

Specifications

Countersink Angle 101.0 degrees
Fastener Length 1.016 inches minimum and 1.046 inches maximum
Grip Diameter 0.2485 inches minimum and 0.2495 inches maximum
Grip Length 0.552 inches minimum and 0.572 inches maximum
Head Diameter 0.3898 inches minimum and 0.3948 inches maximum
Head Style Oval countersunk
Internal Drive Style High-torque
Length 1 1/32
Material Steel
Material Specification Ams 5629 assn std single material response
Surface Treatment Aluminum and chromate
Surface Treatment Specification Mil-c-83488 ty 2 cl 3 mil spec single treatment response
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.444 inches minimum and 0.494 inches maximum
Thread Qty 28
Thread Qty Per Inch (tpi) 28
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.

  • 3M926-4L9 Commercial 1/4-28 · 0.073 in · Oval countersunk · Steel
  • HT4028L4-9 Other 1/4-28 · 0.073 in · Oval countersunk · Titanium

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