7/8 x 8 ITM SDS Plus Hammer Drill Bit

the hardness rating is HRC 24-35

Hardness requirements of HRB 68 - HRC 32 are met or exceeded

5/8-11 x 1 1/8 Socket Cap Screw Alloy

9 x 1 1/2 Simpson Metal-Panel Screw - Hex Drive 316 SS - Carton (1000)

7/16-20 x 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (100) Premium SDS Plus Hammer Drill Bits 7/8 x 8 ITM SDS7 16 20 x 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (100). 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