Page 272 - Yamawa_European_Catalogue_YEU21
P. 272

Straight Fluted Taps



              GGST
    Intro


                 Z-PRO Series
    SP        Straight Fluted Taps for Cast Iron, Coated


                                                                       FEATURES
                                                                         Material specifi c for blind and through hole application.
                                               2.5P
    SL        HSS-E  COATING                                             Specific design for best performance on cast iron
                                               THCHT                   application.
                                                                         Special coating allows stable and long life even at high
                                                                       speed.
            Recommended Tapping Speeds Depending On Materials
    PO
               ISO   Vc (m/min)    ISO   Vc (m/min)                    Availability related to GG-HT TiCN stock
                 K1        5÷20     H     N2   10÷20    I              exhaustion
                 K2        5÷20     H     N4   10÷20    H
    ST           K3        ≤10         H
                 K4        ≤10     I
    DIN
            H 1st choice  I suitable
    ROLL

                                                                                                        DIN-GGST
               TYPE:  EU_108                                     TYPE:  EU_109
    CARBIDE
                                                    K                                                K
                                  DCON                                              DCON
                   THL                      LK                         THL
                                     LS             K                                        LK      K
                     LU                                                  LU            LS
    LONG                       LF                                                LF


    HAND       TYPE:  EU_116
    TAPS                                            K
                                   DCON

                   THL                     LK       K
    EG (STI)                         LS
                              LF

    SPECIAL
    THREADS,
    GAUGES


    THREAD
    MILLS



    DIES




    CENTER
    DRILLS



    Technical
    info



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