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                                                                                                           YIH TROUN ENTERPRISE CO.,LTD















                                                                       Precise  positioning




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                                                                       minimize   tolerance    Replacement
                                                                                            Flexible





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               Insert Center   Positioning Patent   Design                           Corner  Spot   Center   4 in 1   Rounding  Drill  insert  Drill  PCT Priority No.  PCT/ CN2013/086393











                     390                                        reach the accuracyÔ0.01mm and bear   Patent No.  201310453057.2  201320772697.5














              New  System  For Hole   Making      Optimal Center  Positioning Design  Insert taper profile is designed to  optimize the center positioning to  minimize the tolerance, which can   economical efficiency.   Applications   There are total 4 applications:   1.Center drill   2.Spot drill   3.Corner Rounding   4. 4 in 1 counterbore   Patent No.  M473882  M474588   M473881  YIH TROUN ENTERPRISE CO.,LTD




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