3532 Countersink with five edges, point angle 90° and bit shank E 6,3

Traditional Forstner bit with centre point, two main cutting edges and two circumferential cutters. Low friction due to the reduced peripheral cutting edge

2400-8000 rpm e.g. Ø 4 mm 5000 rpm in European hard wood. Further details in the speed diagram.
Made in Germany

With brad point, two main edges and protruding cutting edges.
Chrome Vanadium steel.
1500 – 4000 rpm e.g. Ø 5 mm 4000 rpm in soft wood. Further details in the speed diagram

The first carbide tipped Forstner bit with centre point, carbide-tipped main cutting edge and toothed circumferential cutter. Hexagonal shank for a better power transfer

Traditional cylinder boring bit with centre point, two main cutting edges and two taper taps.
700 – 3000 rpm. e.g. Ø 15 mm 2300 rpm in soft wood. Further details in the speed diagram