Simpson Strong-Tie Strong-Drive Timber-Hex SDWH

Simpson Strong-Tie Strong-Drive Timber-Hex Structure Screw

• Bold thread design that provides superior holding power
• SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
• Under-head nibs that offer greater control when seating the head
• Large washer head provides maximum bearing area (0.64-in head diameter)
• 5/16-in hex drive
• Driver bit included (replacement bit BITHEXR516-134)
• Length: 6-in

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. Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for certain exterior and preservative-treated wood applications.