1/2-20 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (50)

#1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods

1-12 x 4 Socket Cap Screw Alloy

5/8-11 x 1 3/4 Socket Cap Screw 316 Stainless Steel

A square head screw threaded the entire length

5/8-18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175) 3/4-10 Hex Cap Screws 18-8 Stainless Steel 1/2-20 L9 Hex Nut Alloy5 8 18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175) . 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 of