- Galvanised finish for extra corrosion protection/ external use
- Coarse thread provides maximum grip
- Ribbed head allows efficient countersinking
- Threads per inch - 8
Zenith External Screws are self-drilling, general purpose timber screws for external applications. For general fixing into soft timbers where extra corrosion resistance is required. For best results in treated pine we recommend using Zenith Tufcote and stainless steel screws in harsher conditions.