Hex Head Bolt, 1/4 – 20 x 1-1/2 in

HRL MPN 3 A 21.3 PP UNC Steel Bolts

This is a hex head bolt with a 1/4 inch diameter and 1-1/2 inch length. The 1/4-20 thread size indicates a 1/4 inch diameter with 20 threads per inch. It is typically used for general fastening applications where a hex drive is preferred for tightening and a strong, secure connection is needed.

Specifications

Head Type	Hex
Length	1-1/2 in
Thread Size	1/4 – 20

About bolts

Hex Head Bolt, 1/4 – 20 x 1-1/2 in is listed under Bolts — hex, carriage, structural, eye and u-bolts across grades and finishes. Bolts are externally threaded fasteners designed for insertion through holes in assembled parts, and are normally intended to be tightened or released by torquing a nut. The primary function of a bolt is to create a clamped joint through tension.

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