Low profile head diameter is twice the rivet body diameter

5/8-11 x 2 Flat Socket Cap Screw 18-8 (A2) Stainless Steel

1/4 x 6 Powers Round Toggle Bolt Zinc Plated (50)

3/8-16 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

7/16-14 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (650)

1/2-20 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (50) 18" Long Boy Drill Bits Low profile head diameter is1 2 20 x 3 Grade 5 Hex Cap Screw Plain 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 of 120,000