Low profile head diameter is twice the rivet body diameter

3/8-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

1/4-20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (100)

3/8-16 x 9 Socket Cap Screw Alloy

7/8-14 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (15)

2 3/4-4 A563 Grade A Heavy Hex Nut Zinc Plated 1-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA Low profile head diameter is2 3 4 4 A563 Grade A Heavy Hex Nut Zinc Plated . 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 meet a