Strong-Drive® SDWS TIMBER and SDWH TIMBER-HEX Screws

210a-2015

The Strong-Drive® SDWS Timber screw is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. The Strong-Drive SDWH Timber-Hex SS screw provides a structural wood-to-wood connection, including for ledgers. As a Type 316 stainless steel fasteners, the Strong-Drive SDWH Timber-Hex SS screw offers maximum corrosion protection.

 

Features:

  • Bold thread design provides superior holding power
  • Patented 4CUT™ tip ensures fast starts, reduces installation torque and eliminates the need for pre-drilling in most applications
  • Knurled shank section above the threads makes driving easier
  • Under-head nibs offer greater installer control when seating the head
  • Large head provides maximum bearing area
  • Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization, making it suitable for many exterior and preservative-treated wood applications
  • Available in lengths up to 10″ for maximum versatility
  • Bit included in package

    Additional Strong-Drive SDWS Timber screw features:

  • Deep, 6-lobe drive reduces cam-out, making driving easier
  • Low-profile head design provides a clean look and less interference after installation


    Additional Strong-Drive SDWH Timber-Hex screw features:
  • Large hex-washer head provides excellent bearing area for a secure connection
  • Hex drive reduces cam-outs for easier driving

Material: Strong-Drive SDWS Timber screw—heat-treated carbon steel, Strong-Drive SDWH Timber-Hex SS screw—Type 316 stainless steel

Finish: Double-barrier coating

Installation:

  • See General Notes.
  • Strong-Drive SDWS Timber screws install best with a lowspeed 1/2″ drill and a T-40 6-lobe bit. The matched bit included with the screws is recommended for best results.
  • Strong-Drive SDWH Timber-Hex SS screws install best with a low-speed 1/2″ drill and a 5/16″ hex driver bit. The matched bit included with the screws is recommended for best results.
  • Pre-drilling is typically not required. Where pre-drilling is necessary, use a 5/32″ drill bit for Strong-Drive SDWS Timber screws and 0.188″ Strong-Drive SDWH Timber-Hex SS screws. Use a 7/32″ drill bit for 0.276″ Strong-Drive SDWH Timber-Hex SS screws.
  • Screw heads that are countersunk flush to the wood surface are acceptable if the screw has not spun out.

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