Page 284 - Yamawa_European_Catalogue_YEU21
P. 284

Straight Fluted Taps



              PMST
    Intro



             MS   Material Specifi c Series
    SP        Straight Fluted Taps for Hard Materials (<45HRC)


                                                                       FEATURES
                                                                         Material specifi c for blind and through hole application.
                                               2.5P
    SL        HSS-P    OX                                                Specific design and premium grade HSSP for stable
                                               THCHT                   and long life on alloy steel and tool steel (30 ÷ 45HRC)
                                                                       application.
                                                                         Reliable and high performance tapping for the mould&die
                                                                       industry.
            Recommended Tapping Speeds Depending On Materials
    PO
             ISO Vc (m/min)
                 P3        ≤5         H
                 P4        ≤5         H
    ST           P5        ≤5         H
                 P6        ≤5         H
    DIN
            H 1st choice  I suitable
    ROLL

                                                                                                        DIN-PMST
            Product Features
    CARBIDE
             ISO    Materials    Hardness     Recommended tapping speed (Vc <5m/min)
                                                                                      5m/min

                    High tensile
    LONG      P6   strength steel  40÷45 HRC


                     Tool steel
    HAND      P5  (100MnCrW4-1.2510  30÷40 HRC            PM (HSS-P)
    TAPS         40CrMnMo7-1.2311)


                     High alloy
              P4      steel      25÷30 HRC
    EG (STI)       (CrMo, NiCrMo)
             Most Suitable  Suitable
    SPECIAL
    THREADS,  Bored Hole Ø (mm) A - B
    GAUGES

                   When Threads have    When Threads do not have
                    non-Full Threads     the non-Full Threads
    THREAD                    Basic Diameter Position
    MILLS       A                                   B



    DIES




    CENTER
    DRILLS



    Technical
    info



       282
   279   280   281   282   283   284   285   286   287   288   289