1 3/4-5 x 14 Socket Cap Screw Alloy

#30 Heavy Duty Drill Bit - Stubby Length

1/4 x 1 1/2 Nail-In Anchor Mushroom Nylon (100)

#4 Heavy Duty Jobber Drill Bit

41/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

10 x 3 1/2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - Bulk Pail (1000) 5/8-11 Socket Cap Screws 18-8 Stainless Steel 1 3/4-5 x 14 Socket10 x 3 1 2 Simpson Bugle Head Wood Decking Screws Square Drive T17 316 SS Bulk Pail (1000) . 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. 316 stainless steel is ideal where superior corrosion resistance is required.