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.
3/8” Lag Screw Replacement
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 in to the densest woods.
- Unique tapered head countersinks easily into wood for flush appearance
- Variety of lengths, from 2 1/2" to 10", to match every application
- Free bit in every package
Code-Compliant Rafter or Truss to Top Plate Connection
A 6" TimberLOK is a code-compliant way to attach rafters or trusses to a double top plate.
TimberLOK is tested and supported by engineering data that conforms to the most current ICC standards. It is also approved for use in ACQ or treated lumber.
A 6" TimberLOK is a code-compliant way to attach rafters or trusses to a double top plate. For technical documentation of all our structural wood screws, see our Technical Resources page.
Click here to request a free TimberLOK Installation Guide.