Bosch FORMED COUNTERSINK

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Product Overview: The HSS Step Drill Bit performs smooth, burr-free drilling in several diameters with one drill bit It is ideal for deburring, for drilling round holes and for enl arging existing ones Pre-punching is not necessary, because the split-point tip allows for an easy start Its CNC ground spiral flute enables optimised chip removal and less vibration for even drilling The highest cutting performance and absolute smoothness are guaranteed due to axial and radial relief grinding This step drill bit is suitable for use on thin materials, such as non-ferrous metals, sheet plastic, sheet steel, plastic and stainless steel. Includes: Show more