DS-Plus 4-pce Granite Drill BitSet
Easy hole starting without chipping, even in hardest materials such as granite and other hard natural stone types. GPC cutters for highest energy-concentration in the drill head. The special cutter geometry produces precise bore holes. The computer-designed feed spirals ensure fast removal of drill dust. These drills guarantee low vibration operation, and optimise the transmission of impact energy. |
Universal bore drill bit
For bores between 20 and 120mm in diameter, continuously adjustable, drilling depth up to 40mm (on both sides) with HSS blades for drilling wood, plasterboard with hard surfaces, plastic, plaster, etc. Excellent for installing halogen lamps, kitchens, ventilation conduits, for electrical installation work and many other jobs. Advantages: pilot bore is pre-drilled |