The Bolt Supply NHCZ38 Hex Nut, 3/8 – 16 in, Low Carbon Steel, Zinc, Grade 5 Material Grade

Item Features

• Grade 5 fasteners are made of medium strength carbon steel and are specified under the Society of Automotive Engineers (SAE)
• These bolts are heat treated in a controlled atmosphere from 1/4 in. through 1-1/2 in. with a minimum tensile strength of 120,000 psi in diameters through 1 in. and 105,000 psi for diameters over 1 in. through 1-1/2 in
• Grade 5 Bolts are equivalent to , so when finding the right bolt, be sure to match the grades on the bolts being used. Grade 5 bolts can often be identified by the 3 marks on the head.
• 21/64 in Thickness