Pre-drilling is recommended near board-ends to prevent splitting

Conform to ASTM F837

5/8-18 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

7/8-14 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (15)

1-8 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55)

3/4-10 x 26 A307A Hex Bolt Plain Steel Square Bugle-Head Self Drilling Screws 410 Stainless Steel Pre-drilling is recommended near board-ends3 4 10 x 26 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.