1/4 x 3 1/2 Flat Split Drive Anchor Zinc Plated (100)

3/4-10 x 8 1/2 Hex Cap Screw SS 18-8 (A2)

10 x 3 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 5 lbs Pack (204)

9/16-12 x 5 Socket Cap Screw Alloy

#4 Heavy Duty Jobber Drill Bit

7 x 3 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (2000) 9/16-12 Grade 8 Hex Cap Screws Yellow Zinc Plated 1/4 x 3 1/2 Flat7 x 3 Simpson Trim Head Wood Decking Screws Square Drive 305 SS Bulk Pail (2000) . 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