5/16-18 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) M14-2.00 Flat Socket Cap Screws 12.9 DIN 7991 Black Oxide 7/8-9 x 6 Hex Cap

7/8-9 x 6 Hex Cap Screw SS 18-8 (A2)

5/8-11 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (70)

1 3/8-12 x 5 Socket Cap Screw Alloy

Manufactured from heat treated alloy steel

3/8-16 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

5/16-18 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) M14-2.00 Flat Socket Cap Screws 12.9 DIN 7991 Black Oxide 7/8-9 x 6 Hex Cap5 16 18 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450) . 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