TimberLOK is a heavy duty wood screw for applications such as attaching rafter or trusses to the top plate, landscape timbers, fences, decks, headers, stair stringers and more.
TimberLOK replaces 3/8" lag screws and is approved for use in ACQ pressure treated lumber. There is no need to predrill with TimberLOK. Its sharp point and aggressive threads zip right into the densest woods.
Stocked Sizes
Available To Order
FastenMaster TimberLOK Rafter/Truss to Top Plate Installation Guide
A short video showing how to install a FastenMaster 6" TimberLOK using our new installation guide.
TimberLOK 6" Rafter Tail or Truss to Top Plate Connection
Learn how the TimberLOK 6" Structural Wood Screw replaces hurricane ties while meeting IRC 2012 national code requirements for rafter or truss to top plate connections.