Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329

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

5/8-11 x 3 Hex Cap Screw SS 316 (A4)

1-8 x 11 Socket Cap Screw Alloy

3/4-10 x 11 A307 Grade A Carriage Bolt HDG

7 x 2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (4000) Reduced Shank Drill Bits - 3/8 Shank Hot-Dip Galvanized material will meet7 x 2 Simpson Trim Head Wood Decking Screws Square Drive 305 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. #1 Square Drive All #7 diameters and 9 x 3 1 2 #2 Square Drive 9 x 4