1-14 x 6 Grade 5 Hex Cap Screw Zinc Plated

1 3/8-6 x 4 1/2 Socket Cap Screw Alloy

1 1/4-12 Nylon Insert Locknut Zinc Plated

1/2-13 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - Bulk Pail (4000) 7/16-14 Socket Cap Screws Alloy 1-14 x 6 Grade 58 x 1 5 8 Simpson Bugle Head Wood Decking Screws Square Drive T17 316 SS Bulk Pail (4000) . 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.