Screws up to 1" in length are fully threaded

Proof load strength is 175

These carbon steel cap nuts are composed of a hex nut and a top cap manufactured from 1006 to 1010 carbon steel

1 1/8 x 12 High Speed Long Boy (1/2" Shank)

5/8 x 8 ITM SDS Plus Hammer Drill Bit

5/8-11 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25) 5/16-18 Hex Tap Bolts Silicon Bronze Screws up to 1" in5 8 11 x 4 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (25). 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