Pre-drilling is recommended near board ends to prevent splitting

9/16-12 x 2 1/4 Hex Cap Screw SS 316 (A4)

Free Spider Drive bit in every package

3/4 x 12 Hex Lag Screw Zinc Plated

3/8-24 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (900) 1-8 Hex Tap Bolts 18-8 Stainless Steel Pre-drilling is recommended near board3 8 24 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (900). 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