1 1/4-7 x 4 1/2 Socket Cap Screw Alloy

7/8-9 x 1 1/2 Hex Cap Screw SS 316 (A4)

45/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated

or even if you’re just a do-it-yourself enthusiast

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 5 lbs Pack (750) 3/4 Hex Lag Screws Hot Dipped Galvanized 1 1/4-7 x 4 1/28 x 1 5 8 Simpson Bugle Head Wood Decking Screws Square Drive T17 316 SS 5 lbs Pack (750) . 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.