1-8 x 1 3/4 Socket Cap Screw Alloy

3/4-10 x 10 Grade 5 Hex Cap Screw Zinc Plated

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7/8-9 x 5 Hex Cap Screw SS 18-8 (A2)

7/16-20 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (750) 1-14 Grade 5 Hex Cap Screws Zinc Plated 1-8 x 1 3/4 Socket7 16 20 x 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (750) . 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