- Composite decks
- For all trim applications
- Strong heads and star head recess
- No pre-drilling
The FIN/Trim and RT screws are excellent choices for most fine carpentry applications. The FIN/Trim is ideal for the installation of window extensions jambs and molding, while the RT is recommended for classic composite deck materials. The FIN/Trim and RT both feature small heads, GRK's w-cut threaded design and Zip-Tip, Preventing most materials from splitting. Corrosion protection is provided by GRK's Climatek coating.