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

1 1/2-12 Grade 2 Finished Hex Nut Zinc Plated

nylon insert locknuts can be reused more times than a two-way reversible nut

3 1/2" Flat Washer SS 18-8 (A2)

5/8-11 x 14 A307 Grade A Carriage Bolt HDG

7 x 2 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (2500) fully-threaded 7/8-9 x 1 1/2 Hex7 x 2 1 2 Simpson Trim Head Wood Decking Screws Square Drive 305 SS Bulk Pail (2500) . 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