część chwytowa/chwytna (trzonek)
| 15:12 Apr 11, 2015 |
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| Polish to English translations [PRO] Tech/Engineering - Mining & Minerals / Gems | |||||||
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| 3 | bit shank |
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Answers
11 mins confidence: 
bit shank Explanation: For example: Drill bit shank The shank is the end of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit contact the workpiece, and are connected via the shaft with the shank, which fits into the chuck. In many cases a general-purpose arrangement is used, such as a bit with cylindrical shaft and shank in a three-jaw chuck which grips a cylindrical shank tightly. Different shank and chuck combination can deliver improved performance, such as allowing higher torque, greater centering accuracy, or moving the bit, but not the chuck, with a hammer action. http://en.wikipedia.org/wiki/Drill_bit_shank cccccccccc roadheader round shank cutter bit for coal mining and civil drilling, http://conicaltools.en.alibaba.com/product/417771568-5038956... ccccccccccccc The road header (with twin header) is fitted with a mix of two different round shank cutter bits – the tried and tested http://www.betek.de/en/news/press_world-s-largest-undergroun... |
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