TrussLok Engineered Wood Fastener by Fastenmaster

$37.99 - $52.99
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TrussLok Engineered Wood Fastener

TrussLOK is faster, easier and stronger than through-bolts and other structural self-drilling fasteners with similar diameters.

It is approved for single-sided installation unlike nails and other screws of similar diameter that need to be installed from both sides.

TrussLOK features a hex head drive system and each package contains a free driver bit.


  • The FastenMaster TrussLok Engineered Wood Fastener is designed for joining multi-ply LVL, LSL and PSL. 
  • This fastener was developed with direct input from a leader in engineered wood, Truss Joist. 
  • Available in 3 sizes.
  • Available in 50 Piece Box.
  • Made from steel with epoxy anti ~ friction coating.


  • 3-3/8" 
  • 5" 
  • 6-3/4"

For technical documentation of all our structural wood screws, see our Technical Resources page.

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