3/8 x 3 Powers Round Toggle Bolt Zinc Plated (25)

5/8-18 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (125)

As the anchor is driven into the hole

5/16-18 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (100)

5/8-11 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (70)

9/16-12 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1-14 Socket Set Screws Cup Point Alloy 3/8 x 3 Powers Round9 16 12 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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