5/8-18 x 5 Hex Cap Screw SS 316 (A4)

6-lobe drive prevents driver bit cam-out and stripping in recess

stucco and wood

3/4-10 x 3 1/4 Hex Cap Screw SS 18-8 (A2)

7 x 1 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (5000) Powers Nail-in Anchors Stainless Steel 5/8-18 x 5 Hex Cap7 x 1 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