Simpson Strong-Tie SDWS Timber Screws (Exterior Grade)

The Simpson Strong-Tie Strong-Drive® SDWS Timber Screw (Exterior Grade) is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. Features:• Bold thread design provides superior holding power. • Patented 4CUT™ tip ensures fast starts, reduces 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. • Available in lengths up to 10" for maximum versatility.• Bit included in package. Benefits:• Deep, 6-lobe drive reduces cam-out, making driving easier. • Low-profile head design provides a clean look and less interference after installation.• Designed to pro