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 Magic Drill (DRX) Recommended Chipbreakers (ZXMT)                                              How to select ZXMT03

Workpiece                 Insert                 ZXMT type                                      ZXMT03 type (Cutting Dia : 12 ~ 13)
 Material
                   Chipbreaker       GM          GH             SM                              1) For outer edge, please select "-E" insert from three different
                                                                                                  chipbreakers for each application.
                   Cutting Depth 2D 3D 4D 5D 2D 3D 4D 5D 2D 3D 4D 5D
                                                                                                2) For inner edge, please select "-I" insert (GM chipbreaker only).

            Low-carbon Steel                                                            •Outer                        •Inner
                                                                                                  edge                         Edge
            Carbon Steel                                                                                                                                  Technical
                                                                                                                                                                         Information
            Alloy Steel              

            Mold Steel                                                                                                        

            Stainless Steel                                                                          ZXMT030203-E                ZXMT030203GM-I
                                                                                                         GM-E GH-E SM-E                        GM-I
            Cast Iron                

            Aluminum Alloys                                     

            Brass                                                                                                                                                 Drilling

            Titanium Alloys                                     

                                                  : 1st Recommendation  : 2nd Recommendation

 Features of the Magic Drill (DRX) Chipbreakers

                   Chipbreaker                              GM                                  GH                             SM

                             Insert

                                                 1st. recommendation for carbon steel  1st. recommendation for interrupted     Suitable for sticky materials such as
                                                 and alloy steel,1st. recommendation   machining and hard materials.           stainless steel and low carbon steel
                                                 for cast iron.                        Cutting edge strength oriented design.
                   Advantages
                                                 Good balance of sharp cutting and     Middle to high feed rates of steel      Sharp cutting, prevents chattering.
                                                 cutting edge strength
                                                                                       machining, GM Chipbreaker alternative For low to medium feed rates of steel.

Outer edge                           Cross-
                                     section

            Wide chipbreaker         Chips from
                                     Outer edge
Inner edge
                                        Cross-
                                       section

            Flat chipbreaker         Chips from
                                     Inner edge

            Workpiece Materials                  C50 (S50C)                                     C50 (S50C)                     X5CrNi18 10 (SUS304)

                                                 kyocera@kyocera-tools.ru                                                                                             88
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