HeadLOK® offers higher design shear than 3/8" lag screws and no pre-drilling is needed

3/4-10 x 6 1/2 Socket Cap Screw Alloy

1/4-28 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (6000)

5/16-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (4000)

7/8-9 x 3 1/2 Hex Cap Screw SS 316 (A4)

1/2-20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (150) 5/16-18 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA HeadLOK® offers higher design shear1 2 20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (150). 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 to