Strong-Drive® SDWH TIMBER-HEX Screw
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.
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
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.
Structural wood-to-wood and engineered wood connections including ledgers
Retail and mini-bulk packs include one 5/16" hex driver bit; bulk packs include two driver bits