CrazyDrill Flex Flexible Miniature Drills Offers Precision

Originally titled 'Flexible Miniature Drills Offers Precision'

Just like the first version of CrazyDrill Flex, this version keeps the special features of the flexibility of a HSS drill and the precision and long tool life of a solid carbide drill.

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Just like the first version of CrazyDrill Flex, this version keeps the special features of the flexibility of a HSS drill and the precision and long tool life of a solid carbide drill. This version has a flexible centerpart between the drill section and the clamping shank allowing the necessary elasticity to the tool which guarantees a sure-process drilling even under difficult circumstances (drilling with alignment errors or under unstable circumstances).

New is the length starting at 0.3 mm diameter and drilling depths as much as 50 × D. The coolant is conducted through the shank and is effective on every pecking and always guided directly to the cutting edge, independently of the tool length. Because of the special configuration and profile of the coolant holes, a very concentrated stream is achieved and able to clean the flutes. Also in case of high speed, the coolant stream remains concentrated. Beside the conventional cutting oil, it’s also possible to apply an air-oil-mist lubrication.