Simpson Strong-Tie SDWS22800DB-R50 Structural Wood Screws, 3-10 Inch Lengths, Box of 50 Pieces

SDWS22800DB-R50 Structural Wood Screw Strong-Drive SDWS Structural Wood Screws Application: Structural Wood-to-Wood Connections Features: Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws Bold thread design provides superior holding power and cinches fastened members together for consistent installation Patented 4CUT point ensures fast starts, reduced installation torque and eliminates the need for pre-drilling in most applications Knurled shank section above the threads makes driving easier Under-head nibs offer greater installer control when seating the head Large head provides maximum bearing area Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for many exterior and preservative-treated wood applications Deep 6-lobe recess reduces cam-out, making driving easier Low-profile head design provides a clean look and less interference after installation Available in lengths up to 10" for maximum versatility Installs best with a low-speed 1/2" drill motor with a T-40 bit bit included in each package Patents: U.S. Patents 5,897,280; 7,101,133