Simpson Strong-Tie Strong-Drive® SDWH™ SDWH19400DB 0.275"-6 x 4" Structural Screws, 5/16" Hex Drive, Double-Barrier Coated, 800/Box

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, 2021 and 2024 IRC and IBC code requirements for most common wood framing applications. For Structural Wood-to-Wood and Engineered Wood Connections Including Ledgers

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
  • Under head nibs allow for head to countersink into wood with reduced splintering
  • Large washer head provides maximum bearing area (.65" washer head diameter)
  • Size identification on all SDWH screw heads
  • 5/16" hex drive (replacement driver bit - BITHEXR516-R1)