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HSS - HSS/CO - General Purpose

    n Vf                 DIN                                         138N 1386STI 138NTI 138HB 138WB
                         338
      PAGE
    250~252

138N - 1386STI - 138NTI - 138HB - 138WB (h8)

     mm          1~3    3.1~6 6.1~10            10.1~18   18.1~20
                                                  0 / -27   0 / -33
    ttool.bDdb 0 / -14  0 / -18  0 / -22

                                                                     N SPLIT POINT N H W

                  d                                                               HSS HSS HSS HSS HSS
                  d=D                            D OX TiN TiN BR BR

                                              l                      118°                           118°   118°    118°    130°
                                  L

                                                                     25~30°                         30°    25~30°  12~15°  35~40°

    D(h8)                         lL                                 Stock                          Stock  Stock   Stock   Stock

    mm 9.25                    81 125            5 hh                                                              f
            9.30               81 125
            9.40               81 125            5 h hfff
            9.50               81 125
            9.60               87 133            5 h hfff
            9.70               87 133
            9.75               87 133            5 h hhhh
            9.80               87 133
            9.90               87 133            5 h hfff
                               87 133
          10.00                87 133            5 h hfff
          10.10                87 133
          10.20                87 133            5 h hff
          10.25                87 133
          10.30                87 133            5 h hfff
          10.40                87 133
          10.50                87 133            5 h hfff
          10.60                94 142
          10.70                94 142            5 h hhhh
          10.75                94 142
          10.80                94 142            5 hh
          10.90                94 142
          11.00                94 142            5 h hh
          11.10                94 142
          11.20                94 142            5h
          11.25                94 142
          11.30                94 142            5 hh
          11.40                94 142
          11.50                94 142            5 hh
          11.60                94 142
          11.70                94 142            5 h hhff
          11.75                94 142
          11.80               101 151            5 hh
          11.90               101 151
          12.00               101 151            5 hh
          12.10               101 151
          12.20                                  5h

                                                 5 hh

                                                 5 hh

                                                 5 h hhff

                                                 5 hh

                                                 5 hh

                                                 5h

                                                 5 hh

                                                 5 hh

                                                 5 h hhff

                                                 5 hh

                                                 5 hh

                                                 5h

                                                 5 hh

                                                 5 hh

                                                 5 h hhff

                                                 5 hh

                                                 5 hh

                                                                                                    h stock standard f non-standard stock d stock exhaustion

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