This TCT countersink clamps onto any drill between 3.
0mm and 7.
2mm in diameter.
Recommended for wood and man-made boards.
By reversing the countersink on the drill, it can be used as a non-cutting depth stop.
Ensures flutes of drill are aligned with flutes of countersink.
Do not overtighten screw.
Not suitable for production applications and not suitable for ferrous and non-ferrous metals.