- Can be used for heavy duty work, for example, putting up a TV arm, satellite dish or antenna.
- Have a hexagonal head and, therefore, require a wrench or socket spanner to be tightened or unscrewed.
- Manufactured from mild steel.
- The galvanising coating gives it protection against rust.
- Coach screws have broad heads, preventing them from pulling into the wood.
- The deep coarse thread easily holds onto the wall plug, ensuring a secure installation.