- Galvanised for corrosion protection
- Flat head - a large diameter head (normally up to 2.5 times the thickness of the nail shank)
- Suitable for exterior use
Galvanised nails have been coated after manufacture with zinc for corrosion protection. For exterior use or where moisture may occur.
Flat head nails are designed to resist pull through on soft or thin timbers. This nail is used where the concealment of the head is not critical.