2-4 1/2 x 20 Socket Cap Screw Alloy

5/8 x 5 Hex Lag Screw 18-8 SS

3/4-16 x 3 Hex Cap Screw SS 316 (A4)

5/8-11 x 12 Socket Cap Screw Alloy

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

8 x 1 1/4 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - Bulk Pail (5000) F436 Flat Washers Plain 2-4 1/2 x 20 Socket8 x 1 1 4 Simpson Bugle Head Wood Decking Screws Square Drive T17 316 SS Bulk Pail (5000) . 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.