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ST3M497-5-9

Bolt

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Description

Fastener Length: 1-3/64", Thread: 1/4-24, Thread Length: 1/2"

Specifications

Fastener Length 1.013 inches minimum and 1.060 inches maximum
Head Height 0.177 inches minimum and 0.197 inches maximum
Head Style Double hexagon
Length 1 3/64
Material Steel
Shoulder Diameter 0.327 inches minimum first shoulder and 0.328 inches maximum first shoulder
Shoulder Length 0.552 inches minimum first shoulder and 0.572 inches maximum first shoulder
Shoulder Shape Round first shoulder
Specification Data 76301-st3-497 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.441 inches minimum and 0.508 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNJF
Thread Size 1/4
Width Between Flats 0.492 inches minimum and 0.502 inches maximum

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.

  • ST3M497-5-12 Other 1/4-24 · 0.073 in · Double hexagon · Steel

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