14 x 8 ThruLOK® Screw Bolt Fastening System (24)

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3/8-24 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (675)

7/8-9 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (30)

7/16-20 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) Long Arm Hex Keys Alloy - Metric 14 x 8 ThruLOK® Screw7 16 20 x 1 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) . 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