3D spiral bits • Particularly high drilling speed through optimized tip geometry with aggressive cutting edge profile and large carbide tip angle. • Patented (WITH PRINCIPLE) cutting edge design and strengthened carbide with double  centering points guarantee extreme high durability. • Particularly comfortable and vibration-reduced drilling owing to the innovative Twinmax-3D spiral design which provides optimal removal of drill dust. • Rounded cutting edges provide extreme robustness and low probability of breakage even during reinforcement impacts. • Certified by the Masonry Drill Bit Testing Association (PGM) according to the requirements of the German Institute for Building Technology (DIBt). 3D Spiral Bit 12 mm - 3D Cutting Edge - Hammer Drilling - HST Hardened - Twin Max Flute - Low Vibration Size / 12X200X260 mm SDS-PLUS BIT