Drills for confirmate screws

Stepped drills for confirmate screws pre-drilling (furniture screws) into wood, chipboard, plywood. Using these drills you can pre-drill a hole for confirmate screws which is used for screwing furniture from chipboard laminate boards together. This screw has a thread part and a part which serves as a pin, and a head. The confirmate screw has three degrees and it creates a stepped hole for the thread part, the pin part as well as the screw head for countersinking. Recommended revolutions: 1.000 - 1.500 rev./min. For drilling into hard and soft wood and chipboard.