7 x 1 5/8 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (5000)

1 x 17 ITM SDS Max X-Cutter Hammer Drill Bit

5/8-18 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

bulkheads and other heavy timber

3/4-16 x 6 Socket Cap Screw Alloy

8 x 1 5/8 Phillips Flat w/ Nibs Self Drilling Cement Board Screws w/ Wings Ruspert Coated - Carton (4000) 1 1/4-7 Socket Cap Screws Alloy 7 x 1 5/8 Simpson8 x 1 5 8 Phillips Flat w Nibs Self Drilling Cement Board Screws w Wings Ruspert Coated Carton (4000) . Meets F. I. P. 1000. 7 for torsional strength and drill speed Ceramic coating provides protection from corrosion Wings ream hole in board preventing "jacking action" Nibs under head clamp board firmly