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LP57U40J6

Screw

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Description

Fastener Length: 13/32", Thread: 4-40, Head Width: 3/32", Thread Length: 3/8"

Specifications

Fastener Length 0.344 inches minimum and 0.406 inches maximum
Head Diameter 0.156
Head Style Flat chamfer
Internal Drive Style Hexagon
Length 13/32
Locking Feature Strip threads
Material Steel
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 fed spec single treatment response
Thread Class 2a
Thread Diameter 0.112
Thread Direction Right-hand
Thread Length 0.325 inches minimum and 0.375 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNC
Thread Size 4
Width Across Flats 0.094

Cross-reference

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