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Center Drill
                                                                                                           219
                     Dedicated Hole Center Drill for Hole Shaft


                                           No broken


                                                                Step 3                                     YIH TROUN ENTERPRISE CO.,LTD







                                           Durability   400~600% up

                                  0.5mm                         Step 2

           Traditional and New  NEW         ciency   Effi  400~600% up  Step 1        Old  Standard Center Drill  3mm  3mm
                              3mm





















                TECHNICAL GUIDE

                                                                                         SLOW
                            • For big drill depth please refer to the technical information at  page 239










                                              ME, B100  B350






                      Indexable center drill • Carbide insert with higher toollife • Only change a new insert without reseting every time  YIH  TROUN   E, F20  Solid center drill  • Poor toollife with HSS center drill • Need to re-set every time  HSS  SOLID   218   YIH TROUN ENTERPRISE CO.,LTD
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