3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225)

5/8 x 6 Reduced Shank Drill Bit (3/8 Shank)

consider the (BB™) 1/4-20 Toggler SNAPTOGGLE® Heavy Duty Toggle Bolt Zinc Plated (100)

1/4 x 3 Mushroom Spike Zinc Plated (100)

00 x 80 Socket Cap Screw 12

9/16-12 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175) Star Flat Decking Screws W.A.R. Coated 3/8-16 x 4 1/2 Grade9 16 12 x 2 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (175) . 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