.314" Diameter Exterior Screw
The TBS Evo is our go to screw for securing rafters, purlins or floor joist in exterior structures and frames. You are looking to get 4" embedment into the opposing timber to get a good bit into it. Please consult an engineer if needed.
PACKAGING
Box + CE paper + BIT
SPECIAL STEEL
Highly ductile (moves with the wood)
and resistant steel (fy,k = 1000 N/mm2)
SPECIAL THREADING
Asymmetric “umbrella” threading for
better wood penetration
REVODIP COATING
Surface treatment with high
corrosion resistance, comparable
to class C5
FIELDS OF USE
Exterior use; appropriate for
service classes 1-2-3
APPLICATIONS -
- JOINT CLOSURE
The large head offers tight joint closure. The diameter of the head is optimised
based on the length of the thread
- AGGRESSIVE ENVIRONMENTS
Ideal for exterior applications and with tannin wood (oak, chestnut)
Click here for technical data sheets
Please allow 1 to two weeks for delivery. Contact us for expedited shipping.
Photos courtesy of Rothoblaas.
