5/8-11 x 3 Flat Socket Cap Screw 18-8 (A2) Stainless Steel

1/4-28 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (400)

1/2 Hex Key Short Arm Alloy

9 x 1 1/2 Simpson Metal-Panel Screw - Hex Drive 316 SS - Carton (1000)

9/16-12 x 3 1/4 Socket Cap Screw Alloy

5/8-11 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Square Trim-Head Sharp Point Drywall Screws Phosphate Coating 5/8-11 x 3 Flat Socket5 8 11 x 2 1 2 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