Hot-Dip Galvanized nuts are over tapped per ASTM A563

7/8-9 x 5 Socket Cap Screw Alloy

#59 Heavy Duty Jobber Drill Bit

6-lobe driver bit included in both Contractor Packs and Deck Packs

10 x 2 1/2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 316 SS - Bulk Pail (2000) 3/4-10 A307 Grade A Carriage Bolts Hot Dipped Galvanized Hot-Dip Galvanized nuts are over10 x 2 1 2 Simpson Bugle Head Wood Decking Screws 6 Lobe Drive 316 SS Bulk Pail (2000) . 6 lobe drive prevents driver bit cam out and stripping in recess. Type 17 tip provides fast starts and prevents splitting in hardwoods. Coarse threads run approximately 2 3 up the shank to help 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