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4.5mm Bosch HSS-G ground twist drill bit for drilling holes in alloyed and non-alloyed steel, cast steel, cast iron, sintered iron, malleable cast iron, non-ferrous metals and hard plastics. It is 80mm long with a 47mm working length and features a 135-degree self-centring split-point tip. The high-speed steel design provides 40% faster drilling compared to standard ground HSS drill bits.
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