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                                                                             TECHNICAL INFORMATION

Chamfers of machine taps according to DIN-2197

    Apart from above there are also used chamfers (12-5-16)P fo r nut taps and 24P fo r trapezoidal taps.

Flutes of machine taps according to DIN-2197                                                                Usage

                                                                                        Chamfer

    Straight                    3                                    A, D                        Through          Short, m edium
                                                                                                   B lin d         M edium , long
    Straight with spiral point  ifTiimmiiimiim-N-                    C, E
                                                                                                 Through
                                                                  3    B

    Right hand spiral flutes

                                                                     C, E                        B lin d          M edium , long

    Left hand spiral flute

    L15 10°