No pre-drilling required

1/4 x 10 ITM SDS Plus eVolution™ Hammer Drill Bit

1 1/4-7 x 9 Socket Cap Screw Alloy

Asymmetrical thread pattern resists material slippage during pull out and vibration

9/16-12 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (25) 3/4-16 Hex Cap Screws 316 Stainless Steel No pre-drilling required9 16 12 x 3 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 120,000