ASSY FWH

Flat Washer Head Engineered Structural Self-Tapping Screw

ASSY FWH

Flat Washer Head Engineered Structural Self-Tapping Screw

The ASSY® Flat Washer Head (FWH) is a multi-purpose engineered structural screw with a large washer head.  Code-approved reliability, the ASSY FWH has been awarded an ICC-ESR approval in the United States. The head pull-in resistance is increased with the washer head of this screw. The use of an additional washer on the screw head is not required for many standard applications.

  • Only available in a diameter of 8 mm (5/16”)
  • Available in lengths of 160 mm (6-1/4”) to 400 mm (15-3/4”)
  • Provides tremendous pull-through capacity
  • Offers a clean countersunk finish
  • Aggressive ring-thread and self-tapping tip bite into the wood and assure quick and easy installation
  • Partially threaded to pull members together tightly 
  • Equipped with a shank cutter to ease installation
  • Counter Thread Tip cuts wood and pushes it aside
  • Suitable for ledger board to rim joist connections, and ledger board to stud wall connections
  • Ideal for CLT Panel to CLT panel connections

The ASSY FWH is a two-in-one engineered screw that combines the pulling power of a washer-head screw with the clean finish of a countersunk head screw.  The FWH like the other ASSY screw is a structural, self-tapping screw with a counter thread tip for reduced wood splitting and precise setting.

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

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