3/4-10 x 9 Grade 5 Hex Cap Screw Zinc Plated

7/8-9 x 2 1/4 Hex Cap Screw SS 316 (A4)

2-4 1/2 x 16 Socket Cap Screw Alloy

7/8-9 x 4 3/4 Socket Cap Screw Alloy

8 x 2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 1 lbs Pack (128) 1 1/4-12 Socket Cap Screws Alloy 3/4-10 x 9 Grade 58 x 2 Simpson Bugle Head Wood Decking Screws Square Drive T17 316 SS 1 lbs Pack (128) . 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.