1/4 x 1 1/4 Mushroom Spike Zinc Plated (100)

1-8 x 12 Simpson Wedge Anchor 303 SS (5)

5/8-18 x 5 Hex Cap Screw SS 316 (A4)

7/64 Heavy Duty Jobber Drill Bit

9 x 3 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS- 5 lbs Pack (310) 1/4-20 Socket Cap Screws Alloy 1/4 x 1 1/4 Mushroom9 x 3 1 2 Simpson Trim Head Wood Decking Screws Square Drive 305 SS 5 lbs Pack (310) . 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