5/16-18 x 3in UNC Fully Threaded Hex Tap Bolt Grade 5 Clear Zinc

This Grade 5 hex cap screw is commonly known as a Tap Bolt, made from medium carbon steel and threaded entirely up the bolt shaft to just under the head. Commonly used to mount motors to machinery in automotive and truck repair industries. Bolts can be heat treated (oil or water quenched) and tempered at a minimum temperature of 800 degrees (F). Proof load is 85,000 PSI with a minimum Yield Strength of 92,000 PSI and Tensile Strength of 120,000 PSI. Thread length is 7/8". TAPB5163C5