1/4-20 x 3 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (550)

3/4-16 x 2 Flat Socket Cap Screw Alloy

9/16-12 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

Exterior wood screws used in fencing

5/8 x 4 Hex Lag Screw 18-8 SS

1 1/2-6 x 3 A307A Hex Bolt Plain Steel 5/8 Hex Lag Screws Zinc Plated 1/4-20 x 3 1/2 Grade1 1 2 6 x 3 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.