Stony SDS Plus Concrete Drill Bit, 8mm x 210mm, Carbide Cutting Edge

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 point guarantee extreme high durability. – Particularly comfortable and vibration reduced drilling owing to the innovative Twinmax3-D spiral design which provides optimal removal of drill dust. – Rounded cutting edges provide extreme robustness and low probability of breakage even during reinforcement impacts. – 3D Cutting Edge – Hammer Drilling – HST Hardened – Twin Max Flute – Low Vibration