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For power drills 43 mm. For drill bits Ø 8, 10, 12, 14, 16, 18, 20, 22, 24, 26 mm. Version with two solid guide rods. Tool holder and foot made of cast aluminium. Springs and guide posts made of stainless steel.
“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
Specially formed channel for removing chips, teflon-coated, changeable crest of thread HSS, two carbide tipped main cutting edges, protruding cutting edges and cylindrical shank with three clamping surfaces. Ground by diamond wheels on CNC-machines
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
Twist drill, made of cobalt alloyed HSS, acc. to DIN 338, fully ground from the solid. Fitted with a special spiral for good chip removal and greasing materials. Crosswise sharpened acc. to DIN 1412C, point angle 135°, tolerance of diameter h8
It features carbide tips, two cutting edges, and two spurs. Precisely ground with a diamond wheel, it provides tear-free, accurate drillings in hard wood, chipboards, and plastics. It offers an effortless drilling experience and is recommended for stationary use.
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