3/8 x 6 Powers Round Toggle Bolt Zinc Plated (25)

7/8-14 x 7 Hex Cap Screw SS 18-8 (A2)

3/4-16 x 1 1/2 Socket Cap Screw Alloy

Without the need to pre-drill holes

7 x 2 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - 1 lbs Pack (126) Magnetic Bit Holders 3/8 x 6 Powers Round7 x 2 1 2 Simpson Trim Head Wood Decking Screws Square Drive 305 SS 1 lbs Pack (126) . The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2 3 up the shank to draw the decking tightly to the substrate. Pre drilling is recommended near board ends to prevent splitting. #1 Square Drive All #7 diameters and 9 x 3 1 2 #2 Square Drive 9 x 4