This heavy duty fastener provides unmatched holding power even in old spike holes

1 1/4-12 x 3 Socket Cap Screw Alloy

increasing follow-up expansion should the hole increase in size as a result of a crack

7/8-9 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

1 1/2-6 x 3 1/2 Socket Cap Screw Alloy

3/8-24 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (400) SDS Max Hammer Drill Bits This heavy duty fastener provides3 8 24 x 2 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (400). 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