Alloy Socket Head Cap Screws from Brighton Best

3/4-16 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

Heavy duty construction made to Type J aircraft specifications

7/16-20 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300) 1/2-20 Hex Cap Screws 316 Stainless Steel Alloy Socket Head Cap Screws7 16 20 x 2 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300) . 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