5/16 x 18 ITM SDS Plus eVolution™ Hammer Drill Bit

1-8 x 4 Socket Set Screw Cup Point Alloy

Back-out resistance: once driven home

7/8-9 x 2 1/2 Socket Set Screw Cup Point Alloy

1-14 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (10)

7/8-9 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (15) 5/16 Cotter Pins 18-8 Stainless Steel 5/16 x 18 ITM SDS7 8 9 x 2 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (15). 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