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

Copper Silver brazing of carbide head

1 x 21 ITM SDS Max X-Cutter Hammer Drill Bit

No "sticking"

Pair it with heavy bolts for building bridges

10 x 3 1/2 Star Flat Decking Screws w/ NIBS Yellow Zinc Plated T17 - Carton (1000) Square Trim-Head Wood Decking Screws 305 Stainless Steel with Painted Heads 7 x 1 5/8 Simpson10 x 3 1 2 Star Flat Decking Screws w NIBS Yellow Zinc Plated T17 Carton (1000) . Exterior wood screws used for attaching wood to wood. Exterior wood screws used in fencing, decks and patios 90 hr. salt spray resistance Used in low corrosion applications Star drive prevents cam out and stripping for improved drivability