1/2-13 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (1100)

1/2 x 2 3/4 Mushroom Spike Zinc Plated (50)

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1/4-20 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

3/4 x 7 Hex Lag Screw Zinc Plated

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) 1/2 Hex Lag Screws Zinc Plated 1/2-13 L9 Hex Collar Locknuts7 8 9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) . 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