Round head bolt with a square neck under the head, and a unified thread pitch. The Grade 8 Carriage bolt is made from medium carbon alloy steel and heat-treated. It has the same design advantages as a Grade 5 Carriage Bolt, but with greater load carrying capacity.
Allied Bolt and Screw Corporation, a Small Business incorporated in the Commonwealth of Massachusetts by Richard ‘Dick’ Goldberg, has been building strong relationships since 1961 with an expansive quality inventory, exceptional service and highly valued customer appreciation. Allied carries CARRIAGE BOLTS GR 8 ZINC YELLOW and thousands of other products. Contact Us for more information.