5/8-11 x 1 1/2 Hex Tap Bolt Silicon Bronze

5/16-18 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1-8 x 6 Socket Cap Screw 18-8 (A2) Stainless Steel

3/4-16 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

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5/8-18 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1 1/4-7 Flat Socket Cap Screws Alloy 5/8-11 x 1 1/2 Hex5 8 18 x 1 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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