Heavy Hex Nut, 3/8"-16, Carbon Steel, Grade C, Plain, Brighton-Best, Mfr#: 314050

HEAVY HEX NUTS ARE TYPICALLY USED FOR LARGE DIAMETER AND HIGH STRENGTH BOLTS AND HAVE A GREATER RESISTANCE TO EXPANSION OR STRETCHING FOR LONG LASTING RELIABILITY. FASTENERS ARE DESIGNED TO BE DRIVEN BY WRENCH OR PNEUMATIC TOOLS FOR EASE OF INSTALLATION.