Page 10 - Centerdrill Produktkatalog 2020 English
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M3 - 2.7 Surface with collar




















     Centerdrill 2.7 short                                     Centerdrill 2.7 long



     Order no.:                   3600270                      Order no.:                  3500270
     Product discription:         2.7 short                    Product discription:        2.7 long

     Thread type:                 DIN ISO 13 / DIN 371         Thread type:                DIN ISO 13 / DIN 371
     Thread size:                 M3x0,5                       Thread size:                M3x0,5
     Centerdrill core hole:       2,7mm                        Centerdrill core hole:      2,7mm

     Working part L1:             6,7mm                        Working part L1:            8,0mm
     Shank-ø:                     6,0mm h6                     Shank-ø:                    6,0mm h6

     Surface workpiece:           with collar                  Surface workpiece:          with collar
     Max. Material thickness:     1,3mm                        Max. Material thickness:    2,2mm
     Suitable for materials:      Steel, Stainless steel,      Suitable for materials:      Steel, Stainless steel,

                                  Brass, Aluminum, Copper                                  Brass, Aluminum, Copper








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     Reference values for M3 in 1-2mm material thickness

                                          Material




      Process data                  Stainless steel      Steel          Copper            Brass        Aluminum
      RPM Centerdrill                    2600             3000            4500            4500            4500

      RPM Centertap                     370-430        1300-1500       1900-2100       1900-2100       1900-2100

      kW-Power                  +         0,9             0,7              0,7             0,7             0,7
      Feed rate (mm/min)       +         50-150          50-150          50-150          50-150          50-150

      •  These are recommended values and they may vary significantly, depending on the type  of material, material
          thickness, lubrication, etc. For thread forming,  we recommend our cutting oil. If you use an emulsion, it should
            contain at least 8-10% grease.
      •  CNC-data can be provided on request.




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