Without the need to pre-drill holes

1 1/8-12 x 7 Socket Cap Screw Alloy

7/16-14 x 1 1/2 Hex Tap Bolt 18-8 (A2) Stainless Steel

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

7/8-9 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

7 x 2 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - 1 lbs Pack (126) Magnetic Bit Holders Without the need to pre-drill7 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