ASSY SK

Washer Head Partially Threaded Self-Tapping  Structural  Wood Screw

ASSY SK

Washer Head Partially Threaded Self-Tapping  Structural  Wood Screw

The ASSY SK Washer Head screw is an engineered self-tapping structural wood screw, with a large washer head that eliminates the need for an additional washer.  The screw design also reduces wood splitting while offering a precise setting without the need for pre-drilling.  Code-approved reliability, the ASSY SK screw has been awarded an ICC-ESR approval in the United States and the Canadian Construction Materials Centre Reports (CCMC)  approval in Canada.  

  • Available in diameters of 6 mm (1/4”), 8 mm (5/16”), 10 mm (3/8”) and 12 mm (1/2”)
  • Available in lengths of 50 mm (1-3/4”) to 1000 mm (39-3/8”)
  • Provides tremendous head pull-through capacity
  • Each increase in screw diameter also increases the screw’s washer head diameter, up to 29.4 mm (1-3/16”) at its largest
  • Aggressive self-tapping tip bites into the wood and assures quick and easy installation
  • Partially threaded to pull members together tightly 
  • Equipped with a shank cutter to ease installation
  • Counter Thread Tip cuts the wood and pushes it aside
  • Suitable for ledger board to rim joist connections, and ledger board to stud wall connections
  • Ideal for Cross Laminated Timber (CLT) panel-to-panel connections 
  • Can be used in Timber Concrete Composite systems
  • For more connection examples and information see our Design Guides

The range of available lengths and diameters make the SK suitable for a broad range of projects from log home building to multi-story mass timber construction.

  • Category:
  • Code Approval ETA, CCMC, ICC
  • Connection Type Wood/Wood, Wood/Concrete
  • Applications Timber Framing, Log Home Building, Mass & Heavy Timber Construction
  • Manufacturer SWG

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