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ST3M430V4-8ASM

Screw

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Description

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 15/32"

Specifications

Countersink Angle 100.0 degrees
Fastener Length 0.963 inches minimum and 0.990 inches maximum
Features Provided Dry film lubricant and o ring
Grip Diameter 0.2490 inches minimum and 0.2495 inches maximum
Grip Length 0.490 inches minimum and 0.510 inches maximum
Head Diameter 0.5018 inches minimum and 0.5066 inches maximum
Head Height 0.1060 inches minimum and 0.1080 inches maximum
Head Style Flat countersunk undercut
Internal Drive Style High-torque
Length 63/64
Material Titanium
Surface Finish 32.0 microinches bearing surface of head32.0 microinches threads
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.469
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4

Cross-reference

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