Simpson Strong-Tie SDWH19800DB-R50 8" 0.640 Head Diameter 0.195 Shank Diameter 5/16" Hex Drive Large Hex Washer Head Double-Barrier Coating SawTooth™ Point Strong-Drive® SDWH TIMBER-HEX Screw (50 ct)
Ideal for structural and general-purpose fastening applications where a hex-head drive is preferred. The Strong-Drive SDWH Timber-Hex screw is ideal for the contractor and do-it-yourselfer alike. It is code listed under IAPMO-UES ER-192 and meets 2015 and 2018 IRC® and IBC® code requirements for several common wood framing applications.
Features
- SawTooth™ point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
- Bold thread design provides superior holding power
- Underhead nibs that offer greater control when seating the head
- Large washer head provides maximum bearing area (0.64" head dia.)
- Size identification on all SDWH screw heads
- 5/16" hex drive (replacement driver bit — BITHEXR516-134)
- U.S. Patent 9,523,383
Specifications
- Length: 8"
- Diameter: 0.195"
- Thread Length: 2-3/4"
- Box Quantity: 50
Includes
Applications
- Structural wood-to-wood and engineered wood connections including ledgers