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DeWalt QZ Extreme 2 Metal Drill Bits 34 151mm Dewalt DT5053 QZ, This 8.5 x 117mm drill bit from DeWalt has been manufactured to a very high standard courtesy of the innovative tapered web which greatly reduces breakage, while the gold ferrous oxide coating prevents overheating for longer bit life. Whether you are a professional tradesman or DIY enthusiast, the drill bit is ideal for portable drilling of steel, alloyed and non alloyed up to 900Nmmsup2, and for drilling a sheet or thin materials suitable for use in wood and plastics. The metal tip starts drilling on contact for clean, accurate holes, while the bit itself has a no slip shank with 3 flats, eliminating slipping in the chuck diameters 5mm and above only. DeWalt DT5053 QZ Extreme 2 Metal Drill Bit 8.5 x 117mm
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