Countersink, with Pointed Angle 90°, HSS. Made in Germany

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

Premium version, fully ground quality with two main cutting edges and two taper taps. Specially ground spiral for a very good chip removal.
2400 – 8000 rpm e.g. Ø 4 mm 5000 rpm in European hard wood. Further details in the speed diagram

Rapid drilling in soft wood, European hard wood, chipboard, MDF etc. Rapid chipping of solid wood and chipboards. Clearly less effort is needed and boring is more rapid than with the usual Forstner bit

2800 – 3600 rpm e.g. Ø 18 mm 2800 rpm in glulam (glue laminated timber, on joinery machines)
Made in Germany

“Lewis” pattern, crest of thread, main cutting edge and taper tap in premium quality. Version with stepped head and hexagonal shank from Ø 8mm.

500 – 2800 rpm. e.g. Ø 12 mm 2000 rpm in soft wood. Further details in the speed diagram

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