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

23/64 Heavy Duty Jobber Drill Bit

5/8-11 x 12 A307A Hex Bolt Zinc Plated

00 x 180 Socket Cap Screw 12

1 3/8-6 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized 1/4-20 Grade 5 Hex Cap Screws Plain - Domestic USA L9® High Tensile Strength Hex1 3 8 6 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized . Grade A Heavy Hex Nuts are manufactured from low carbon steel, 1008 1010 for sizes up to 1 inch (cold formed) and 1045 steel for sizes over 1 inch (hot formed). Material is manufactured to meet or exceed ASTM A563 Grade A. Zinc plated material will meet or exceed ASTM F1941. Hot Dip Galvanized material will meet or exceed ASTM A563. Typical hardness is HRB 68 HRC 32. Proof load strength will