Hardness: Rockwell hardness ranges from B68 to C32

1/2-13 x 4 3/4 STRONG-BOLT® 2 Cracked and Uncracked Concrete Wedge Anchor 316 Stainless Steel(25)

3/4-10 x 12 Grade 5 Hex Cap Screw Zinc Plated

They can carry twice the weight of a standard wing anchor but only require a ½ inch hole

35/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

9/16-12 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1/2-20 Hex Cap Screws 18-8 Stainless Steel Hardness: Rockwell hardness ranges from9 16 12 x 6 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 of