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

1/4-20 x 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (3300)

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

10 x 1 Simpson Pancake-Head Self-Drilling Screw - Square Drive 410 SS - Carton (1000)

00 x 150 Socket Cap Screw 12

1-8 x 9 1/2 A307A Hex Bolt Plain Steel 7/8-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA HeadLOK® offers higher design shear1 8 x 9 1 2 A307A Hex Bolt Plain Steel. A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.