The Zamac Nailin™ is a nail drive anchor which has a body formed from Zamac alloy

3/4-10 x 10 Simpson Wedge Anchor 303 SS (10)

#46 Heavy Duty Drill Bit - Stubby Length

3/4-10 x 2 Hex Cap Screw SS 316 (A4)

7 x 1 5/8 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (4000) USS Flat Washers Zinc Plated The Zamac Nailin™ is a7 x 1 5 8 Simpson Trim Head Wood Decking Screws Square Drive 305 SS Bulk Pail (4000) . 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