39/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

3/4 x 14 Hex Lag Screw Hot Dipped Galvanized

hollow or grout-filled block

3/8-16 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (50)

3/4-16 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (150) Square Flat-Head Self Drilling Screws with Wings 410 Stainless Steel 39/64 x 6 Reduced Shank3 4 16 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (150) . 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