Diameters over 2 1/2 inches have a meet a minimum of 140

They are available in high strength

1/2-13 x 8 Flat Socket Cap Screw Alloy

Nylon NAILON™ anchors are low cost anchors for light-duty applications under static loads

3/4-10 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (70) Phillips Self Drilling Drywall Screws Zinc Plated Diameters over 2 1/2 inches3 4 10 x 3 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (70). Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1 4