Tecfi 6×40 Countersunk Torx Screw for Wood in Hardened Steel has the following characteristics:
- The small self-countersinking bumps under the head ensure better seating of the screw in the wood
- Color: Yellow zinc-plated
- Thread: With reamer and special PATENTED TECFI thread
- Application: Structural fastening on wood.
- Certifications: CE certified according to EN 14592:2008+A1:2012
The special features of this screw allow for fast, practical, and secure tightening even in the hardest laminated woods. For proper design of structural connections on wood, for more information on nominal diameters, and for further technical details, it is necessary to refer to the technical data sheet in the download section.