hollow or grout-filled block

3/4-16 x 3 1/2 Gr

1-8 x 1 3/4 Hex Cap Screw SS 18-8 (A2)

3/8-16 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

9/16-18 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

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 hollow or grout-filled block3 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