| 摘要 |
PCT No. PCT/CZ95/00015 Sec. 371 Date Mar. 21, 1997 Sec. 102(e) Date Mar. 21, 1997 PCT Filed Jul. 27, 1995 PCT Pub. No. WO96/04089 PCT Pub. Date Feb. 15, 1996Finishing tool for precision machining of holes includes a chuck unit having a driving head and a replaceable cutting element which includes at least one cutting blade and a cylindrical support shaft that is provided with a drive pin projecting from the supporting shaft. The supporting shaft being is inserted into a cylindrical hollow of the driving head and the drive head includes a support groove for receiving the drive pin, while the pin is retained by a spring-loaded return movement prevention device.
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