9/16 x 21 ITM SDS Max Hammer Drill Bit

1/4-20 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39

L9® High Tensile Strength Hex Collared Locknuts are designed for use in high stress

5 x 180 Hex Cap Screw 8

1/2-13 x 14 A307A Hex Bolt Zinc Plated Jobber Drill Bits - Wire Gauge 9/16 x 21 ITM SDS1 2 13 x 14 A307A Hex Bolt Zinc Plated . A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.