1/2-13 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1-14 x 4 Socket Set Screw Cup Point Alloy

3/8-16 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (100)

1-8 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

Drive Sizes: #6 - T15 #8 - T20 #10 - T25

7/16-20 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 1/2-20 Grade 8 Hex Cap Screws Yellow Zinc Plated 1/2-13 x 3 1/2 L97 16 20 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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