With a hexagonal head the screws require a wrench or socket spanner to be tightened or unscrewed. You can read more about the different types available on the market in our coach screws guide.
Uses for Coach Screws
Coach screws can be used with wall plugs to anchor heavy objects, such as a TV arm or satellite dish, into masonry or concrete. They are also used in heavier installations and for fixing timber to masonry.