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10. Tap Thread Limits (JIS, DIN, ANSI)


    Intro

            Metric Threads (M, MF)                                                                     Unit: mm

                                      Major             Minor                          Major              Minor
    SP                        Kind   diameter  Pitch Diameter  diameter         Kind   diameter  Pitch Diameter  diameter
                    Size       of  Class     Upper  Lower            Size       of  Class      Upper  Lower
                              tap     Basic  Basic   Tolerance Tolerance  Tolerance  Basic   tap  Basic  Basic    Tolerance Tolerance  Tolerance  Basic
                                      Size  Size     (μm)   Size                       Size  Size     (μm)   Size
                                             (μm) + (μm) +                                     (μm) + (μm) +
                                  P2          40  20  20                            P2         40  20  20
    SL                            P3          60  40  20                            P3         60  40  20
                                cutting tap  ISO1  38  13  25                    cutting tap  ISO1  38  13  25
                                                                                                   60
                                                     20
                                                                                               80
                                                 60
                                              80
                                                                                                       20
                                  P4
                                                                                    P4
                                                     25
                                  ISO2
                                                                                   ISO2
                                                 38
                                                                                                       25
                                                                                                   38
                                                                                               63
                                              63
    PO            M9×1.25        ISO2X  9.000 8.188   88  63  25  7.647   M10×1.25  ISO2X  10.000 9.188   88  63  25  8.647
                                  ISO3        88  63  25                           ISO3        88  63  25
                                              89
                                  G7         114  102  13                           G7         114  102  13
                                                                                                   76
                                                                                               89
                                                 76
                                forming tap  G10  127  114  13                   forming tap  G10  127  114  13
                                                     12
                                                                                                       12
                                                                                    G9
                                  G9
    ST                           ISO2X       114  102  12                          ISO2X       114  102  12
                                 ISO3X       127  114  13                          ISO3X       127  114  13
                                  P2          40  20  20                            P2         40  20  20
                                  P3          60  40  20                            P3         60  40  20
    ROLL                          P4          80  60  20                            P4         80  60  20
                                cutting tap  ISO1  35  12  23                    cutting tap  ISO1  35  12  23
                                                                                                   35
                                                                                               59
                                                     24
                                                 35
                                              59
                                                                                                       24
                                  ISO2
                                                                                   ISO2
                   M9×1          ISO2X  9.000 8.350   79  55  24  7.917            ISO2X       79  55  24
                                                                    M10×1              10.000 9.350       8.917
    CARBIDE                       ISO3        83  59  24                           ISO3        83  59  24
                                  G8         102  89  13                            G7         89  76  13
                                forming tap  ISO2X  127  114  13                 forming tap  G10  102  114  13
                                                                                    G8
                                  G10
                                                                                                   89
                                                     13
                                                                                               127
                                                 89
                                                                                                       13
                                             102
    LONG                         ISO3X       127  114  13                          ISO2X       102  89  13
                                  P2          40  20  20                           ISO3X       127  114  13
                                  P3          60  40  20                            P2         40  20  20
                  M9×0.75       cutting tap  P4  9.000 8.513   80  60  20  8.188    P3         60  40  20
    HAND                          ISO1        32  11  21                            P4         80  60  20
    TAPS                          ISO2        53  32  21            M10×0.75     cutting tap  ISO1  10.000 9.513   32  11  21  9.188
                                  ISO3        74  53  21                           ISO2        53  32  21
                                  P2          40  20  20                           ISO3        74  53  21
                                  P3          60  40  20                            P1         25  10  15
    EG (STI)
                                  P5         100  80  20                            P2         40  25  15
                                  ISO1        42  14  28            M10×0.5      cutting tap  P3  10.000 9.675   55  40  15  9.459
                                cutting tap  ISO2  70  42  28                      ISO1        27  9   18
    SPECIAL                      ISO2X        95  67  28                           ISO2        45  27  18
    THREADS,                      ISO3        98  70  28                           ISO3        63  45  18
    GAUGES        M10×1.5        ISO3X  10.000 9.026   123  95  28  8.376           P2         40  20  20
                                  7G         126  98  28                            P3         60  40  20
                                  7GX        151  123  28                           P5         100  80  20
    THREAD                        G10        127  114  13                        cutting tap  ISO1  42  14  28
                                forming tap  ISO2X  127  114  13                   ISO2X       95  67  28
    MILLS                         G12        152  140  12                          ISO2        70  42  28
                                 ISO3X       152  140  12           M11×1.5        ISO3  11.000 10.026   98  70  28  9.376
                                                                                                   76
                                                                                    G7
                                                                                               89
    DIES                                                                           G10         127  114  13
                                                                                 forming tap  ISO2X  152  140  12
                                                                                                       13
                                                                                   G12
                                                                                               127
                                                                                                       13
                                                                                                   114
    CENTER                                                                         ISO3X       152  140  12
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