1/4-28 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (450)

1-8 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (10)

1 3/8-6 x 8 Socket Cap Screw Alloy

plywood and fiber cement to heavier steel – up to

7/8-14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) 1/2-13 Hex Tap Bolts 18-8 Stainless Steel 1/4-28 x 4 Grade 57 8 14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15) . 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