11/16 x 21 ITM SDS Max X-Cutter Hammer Drill Bit

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - Bulk Pail (4000)

Less breakage

7 x 1 1/4 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (5000)

They are actually stronger than most metal and chemical anchors

6 x 1 1/4 Phillips Bugle Decking Screws Dacrotized - Carton (8000) SDS Max X-Cutter Hammer Drill Bits 11/16 x 21 ITM SDS6 x 1 1 4 Phillips Bugle Decking Screws Dacrotized Carton (8000) . Exterior wood screws used for attaching wood to wood. Used in fencing, decks and patios Exceeds 500 hr. salt spray resistance Medium degree of corrosion resistance