; METRIC TAP DRILL CHART TECHNICAL RECOMMENDED TAPPING DRILL SIZE “I
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METRIC TAP DRILL CHART TECHNICAL RECOMMENDED TAPPING DRILL SIZE “I

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  • pg 1
									            METRIC TAP DRILL CHART

             RECOMMENDED TAPPING DRILL SIZE
            M (ISO METRIC COARSE)           MF (ISO METRIC FINE)                      MF (ISO METRIC FINE)
TECHNICAL




             Size      Pitch        Drill   Size            Pitch            Drill    Size        Pitch          Drill
             mm        mm           mm      mm              mm               mm       mm          mm             mm
             M1        .25          .75     M2              .25              1.75     M24         1.5            22.5
             M1.1      .25          .85     M2.2            .25              1.95     M24         2              22
             M1.2      .25          .95     M2.3            .25              2.05     M25         1              24
             M1.4      .3           1.1     M2.5            .35              2.15     M25         1.5            23.5
             M1.6      .35          1.25    M2.6            .35              2.25     M25         2              23
             M1.8      .35          1.45    M3              .35              2.65     M27         1              26
             M2        .4           1.6     M3.5            .35              3.15     M27         1.5            25.5
             M2.2      .45          1.75    M4              .35              3.65     M27         2              25
             M2.5      .45          2.05    M4              .5               3.5      M28         1              27
             M3        .5           2.5     M5              .35              4.65     M28         1.5            26.5
             M3.5      6            2.9     M5              .5               4.5      M28         2              26
             M4        .7           3.3     M5              .75              4.25     M30         1              29
             M4.5      .75          3.75    M5.5            .5               5        M30         1.5            28.5
             M5        .8           4.2     M6              .5               5.5      M30         2              28
             M6        1            5       M6              .75              5.25     M30         3              27
             M7        1            6       M7              .75              6.25     M32         1              31
             M8        1.25         6.75    M8              .5               7.5      M32         1.5            30.5
             M9        1.25         7.75    M8              .75              7.25     M32         2              30
             M10       1.5          8.5     M8              1                7        M33         1.5            31.5
             M11       1.5          9.5     M9              .75              8.25     M33         2              31
             M12       1.75         10.2    M9              .1               8        M33         3              30
             M14       2            12      M10             .5               9.5      M35         1.5            33.5
             M16       2            14      M10             .75              9.25     M35         2              33
             M18       2.5          15.5    M10             1                9        M35         3              32
             M20       2.5          17.5    M10             1.25             8.75     M36         1              35
             M22       2.5          19.5    M11             .75              10.25    M36         1.5            34.4
             M24       3            21      M11             1                10       M36         2              34
             M27       3            24      M11             1.25             9.75     M36         3              33
             M30       3.5          26.5    M12             .5               11.5     M38         1              37
             M33       3.5          29.5    M12             .75              11.25    M38         1.5            36.5
             M36       4            32      M12             1                11       M38         2              36
             M39       4            35      M12             1.25             10.75    M39         1.5            37.5
             M42       4.5          37.5    M12             1.5              10.5     M39         2              37
             M45       4.5          40.5    M14             1                13       M39         3              36
             M48       5            43      M14             1.25             12.75    M40         1              39
             M52       5            47      M14             1.5              12.5     M40         1.5            38.5
             M56       5.5          50.5    M15             .75              14.25    M40         3              37
             M60       5.5          54.5    M15             1                14       M42         1.5            40.5
             M64       6            58      M15             1.5              13.5     M42         2              40
             M68       6            62      M16             .5               15.5     M42         3              39
             M72       6            66      M16             .75              15.25    M42         4              38
             M76       6            70      M16             1                15       M45         1.5            43.5
                                            M16             1.25             14.75    M45         2              43
                                            M16             1.5              14.5     M45         3              42
                                            M17             1                16       M48         1.5            46.5
                                            M17             1.5              15.5     M48         2              46
                                            M18             .75              17.25    M48         3              45
                                            M18             1.25             16.75    M48         4              44
                                            M18             1.5              16.5     M50         1.5            48.5
                                            M18             2                16       M50         2              48
                                            M19             1                18       M50         3              47
                                            M20             1                19       M52         1.5            50.5
                                            M20             1.5              18.5     M52         2              50
                                            M20             2                18       M52         3              49
                                            M22             1                21       M52         4              48
                                            M22             1.5              20.5     M56         2              54
                                            M22             2                20       M56         4              52
                                            M24             1                23

                                            All information is strictly informative



                                                       “I know of no more disagreeable situation than to be left feeling
                                                       generally angry without anybody in particular to be angry at.”
                                                                                                   FRANK MOORE COLBY



            22                                                      “PROFESSIONALS SERVING PROFESSIONALS”

								
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