Carriage Bolt: 1/4-20, 2" Length Under Head, Ribbed Neck, Grade 5, Partially Threaded

This is a carriage bolt with a 1/4 inch diameter, 20 threads per inch, and a 2 inch length under the head. It has a ribbed neck, is Grade 5, conforms to SAE J429, and is partially threaded. Grade 5 indicates medium carbon steel, and the ribbed neck prevents rotation when tightening the nut, making it suitable for wood or metal fastening.

Specifications

Diameter	1/4 inch
Grade	5
Length Under Head	2 inch
Neck Type	Ribbed
Standards	SAE J429
Thread Pitch	20
Threading	Partially Threaded

About bolts

Carriage Bolt: 1/4-20, 2" Length Under Head, Ribbed Neck, Grade 5, Partially Threaded 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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