Simpson Strong-Tie SDS25500-R25L 5" x .250 Deck Ledger Structural Screws 25ct Product Description The Simpson Strong Tie Strong-Drive SDS Screw is a 1/4-inch diameter high-strength structural wood skew ideal for various connector installations as well as wood-to-wood applications. Patented 4-CUT point (coated version) and type-17 point (stainless version) enable easy driving with no pre-drilling and minimal splitting. Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization. A low-speed 1/2-inch drill with a 3/8-inch hex driver is the recommended tool for installation. From the Manufacturer The Simpson Strong Tie Strong-Drive SDS Screw is a 1/4-inch diameter high-strength structural wood scew ideal for various connector installations as well as wood-to-wood applications. Patented 4-CUT point (coated version) and type-17 point (stainless version) enable easy driving with no pre-drilling and minimal splitting. Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization. A low-speed 1/2-inch drill with a 3/8-inch hex driver is the recommended tool for installation. Features Structural Wood Screw for 1/4-inch by 5-inch size 2-3/4-inch thread length 25 Fasteners Per Pack USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.