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Step Drill Bit Silver 4–45 mm model 11301
Summary description:
Step drill bit Silver model 11301 with drilling range from 4 to 45 mm. Designed for progressive hole enlargement in thin sheet materials and nonferrous metals, the bit provides multiple step diameters in a single tool for quicker hole sizing without changing bits. Suitable for metalworking, electrical and HVAC installations, and general workshop tasks.