HeadLOK® zips right in and is ideal for many wood-to-wood applications including decks

5/8-11 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

9/16-12 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

5/8-11 x 5 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor Zinc Plated (20)

7/16-20 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (550)

5/8-18 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Phillips Flat Undercut Machine Screws Black Zinc Plated HeadLOK® zips right in and5 8 18 x 3 3 4 Grade 5 Hex Cap Screw Zinc Plated 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