Page 596 - Yamawa_European_Catalogue_YEU21
P. 596

Selection Chart




    Intro                         Thread Mills

                               PRML      PRML TI

                             HF  COATING  HF  COATING
                            CARBIDE   CARBIDE
    SP



    SL





    PO




    ST




    ROLL                       YMW       YMW
             M                 597       599
             MF                597       599
             UNC/UNF           597       599
             UNS, 8, 12, 20, 32UN
    CARBIDE  UNEF
             G (BSP)
             Rp (BSPP)
             Rc (BSPT)
             NPT
    LONG     NPTF
             NPSC, NPSM, NPSF
             BSW
             EG(STI), M, MF, UNC/UNF
    HAND     Pg
             Tr
    TAPS     S miniature
             Special threads
                                   Vc (m/min)
                   P1           H
    EG (STI)
                   P2         H
                   P3           H
                   P4           H
                   P5           H
    SPECIAL        P6           H
    THREADS,       P7                          H
    GAUGES
                   P8
                   M1                        H
                   M2                    H
    THREAD         M3                        H
    MILLS          K1           H
                   K2           H
                   K3
                   K4
                   N1
    DIES           N2
                   N3
                   N4
                   N5
    CENTER      S1 (<25 HRC)
    DRILLS      S2 (<35 HRC)
               S3 (35 ÷ 45 HRC)
                   S5                   H
               H (45 ÷ 55 HRC)
    Technical   H (55 ÷ 63 HRC)
    info    H 1st choice  I suitable



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