9/16-18 x 3 1/2 Hex Cap Screw SS 316 (A4)

9/16 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

1/2 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

11/64 x 12 High Speed Aircraft Bit Cobalt

3/16 x 18 High Speed Aircraft Bit

1/4-20 x 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (2700) 1/2-13 Grade 8 Hex Cap Screws Plain - Domestic USA 9/16-18 x 3 1/2 Hex1 4 20 x 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (2700). 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