Alloy Flat Socket Head Cap Screws from Brighton Best

5/8-11 x 4 Hex Tap Bolt Silicon Bronze

3/4-10 x 18 Carriage Bolt SS 18-8 (A2)

Threaded to within 5/16" of top of head

7/16-14 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/8-16 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) Magnetic Bit Holders Alloy Flat Socket Head Cap3 8 16 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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