Description
Simpson Stong-Tie SDWH19400DB-R50 Strong-Drive® SDWH™ TIMBER-HEX Screw 0.195" x 4" -50 Pack
Strong-Drive SDWH Timber-Hex screws are designed for structural and general-purpose fastening applications where a hex-head drive is preferred. These screws are ideal for the contractor and do-it-yourselfer alike. The SDWH Timber-Hex is code listed in IAPMO UES ER-192 and meets 2018 and 2021 IRC® and IBC® code requirements for most common wood framing applications.
Key Features
- Bold thread design provides superior holding power
- SawTooth® point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
- Underhead nibs allow for head to countersink into wood with reduced splintering
- Large washer head provides maximum bearing area (0.650" washer head diameter)
- Size identification on all SDWH screw heads
- 5/16" hex drive (replacement driver bit — BITHEXR516-R1)
Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications, as described in the evaluation report.
Applications
- Structural wood-to-wood and engineered wood connections including ledgers
Product Includes
- Retail and mini-bulk packs include one 5/16" hex driver bit