- New
075-681 is a Paulin hex head cap screw measuring 5/8-11 x 3-1/2". It features a Grade 5 medium carbon steel construction with a zinc-plated finish and UNC threading. The bolt is partially threaded, with a minimum thread length of 1-1/2". Its length is measured from underneath the hexagonal head to the end of the bolt. This fastener is intended for compatible construction, automotive, agricultural and general fastening applications.