1 1/4-12 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8)

3/8-16 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (325)

000 psi for Hot-Dip Galvanized nuts

3/4-16 x 4 Hex Cap Screw SS 18-8 (A2)

00 x 75 Socket Cap Screw 12

9/16-12 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-10 Flat Socket Cap Screws 18-8 Stainless Steel 1 1/4-12 x 4 1/29 16 12 x 1 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