3/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (4700)

7/16-20 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (50)

5/8-11 x 4 1/2 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(20)

3/8-16 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

5/8-11 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 3/4-10 Socket Cap Screws Alloy 3/8 L9 SAE Tension Flatwasher5 8 11 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum