This Countersink is designed for use in all woods, plastics, and non-ferrous metals. The countersink is held in place with 2 hex socket set screws fastened into the flutes of the drill. This countersink can be mounted on taper point, brad point and regular point drills.
1/2" diameter countersink with 1/4" drill hole
Used to countersink and counter-bore for the heads of screws in woods, plastics, and other materials.
Made of Carbon Steel and heat-treated for long tool life.