Asymmetrical thread pattern resists material slippage during pull out and vibration

3/8 x 2 1/2 Round Split Drive Anchor Zinc Plated (25)

7/8-14 x 2 1/2 Hex Cap Screw SS 18-8 (A2)

3/4 x 6 Reduced Shank Drill Bit (3/8 Shank)

3/4-16 x 4 1/2 Socket Cap Screw Alloy

9/16-12 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25) Square Trim-Head Wood Decking Screws 316 Stainless Steel Asymmetrical thread pattern resists material9 16 12 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