Simpson Strong-Tie SDWS22400DB-R12 Strong-Drive SDWS TIMBER Screw
Description
Designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWS Timber screw is ideal for the contractor and do-it-yourselfer alike.
Highlights:
- Size : .220 x 4 inch
- Double barrier coating sdws timber screws
- Bold thread design provides superior holding power
- Underhead nibs offer greater control when seating the head