3/8-16 X 3 Carriage Bolt / Grade 2 / Coarse (UNC) / Full Thread / Zinc Plated

Made from low or medium carbon steel, this 3/8-16 x 3 Grade 2 carriage bolt has a round head with a square next under the head and is fully threaded. The square neck is designed to keep the bolt from turning as a nut is tightened. Proof Load is 33,000 PSI with a minimum Yield Strength of 36,000 PSI and Tensile Strength of 60,000 PSI. (CB383C2Z)