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    Reference values of shaft tolerance and hole tolerance commonly used in machining

    Author:    Release time:2020-09-24   Browse:

    In the machining process, the commonly used reference values of shaft tolerance and hole tolerance are as follows:


    Shaft tolerance form (ISO) unitsum

    <

    c9

    d8

    e7

    e8

    f7

    g6

    h5

    h6

    h7

    h8

    js6

    js7

    k6

    m6

    n6

    p6

    p7

    r6

    s6

    3

    -60

    -20

    -14

    -14

    -6

    -2

    0

    0

    0

    0

    ±3

    ±5

    6

    8

    10

    12

    16

    16

    20

    -85

    -34

    -24

    -28

    -16

    -8

    -4

    -6

    -10

    -14

    0

    2

    4

    6

    6

    10

    14

    3

    6

    -70

    -30

    -20

    -20

    -10

    -4

    0

    0

    0

    0

    ±4

    ±6

    9

    12

    16

    20

    24

    23

    27

    -100

    -48

    -32

    -38

    -22

    -12

    -5

    -8

    -12

    -18

    1

    4

    8

    12

    12

    15

    19

    6

    10

    -80

    -40

    -25

    -25

    -13

    -5

    0

    0

    0

    0

    ±4.5

    ±7

    10

    15

    19

    24

    30

    28

    32

    -116

    -62

    -40

    -47

    -28

    -14

    -6

    -9

    -15

    -22

    1

    6

    10

    15

    15

    19

    23

    10

    18

    -95

    -50

    -32

    -32

    -16

    -6

    0

    0

    0

    0

    ±5.5

    ±9

    12

    18

    23

    29

    36

    34

    39

    -138

    -77

    -50

    -59

    -34

    -17

    -8

    -11

    -18

    -27

    1

    7

    12

    18

    18

    23

    28

    18

    24

    -110

    -65

    -40

    -40

    -20

    -7

    0

    0 -13

    0

    0

    ±6.5

    ±10

    15

    21

    28

    35

    43

    41

    48

    24

    30

    -162

    -98

    -61

    -73

    -41

    -20

    -9

    -21

    -33

    2

    8

    15

    22

    22

    28

    35

    30

    40

    -120

    -80

    -50

    -50

    -25

    -9

    0

    0

    0

    0

    ±8

    ±12

    18

    25

    33

    42

    51

    50

    59

    -182

    -119

    -75

    -89

    -50

    -25

    -11

    -16

    -25

    -39

    2

    9

    17

    26

    26

    34

    43

    40

    50

    -130

    -192

    50

    65

    -140

    -100

    -60

    -60

    -30

    -10

    0

    0

    0

    0

    ±9.5

    ±15

    21

    31

    39

    51

    62

    60

    72

    -214

    -146

    -90

    -106

    -60

    -29

    -13

    -19

    -30

    -46

    2

    11

    20

    32

    32

    41

    53

    65

    80

    -150

    62

    78

    -224

    43

    59

    80

    100

    -170

    -120

    -72

    -72

    -36

    -12

    0

    0

    0

    0

    ±11

    ±17

    25

    35

    45

    59

    72

    73

    93

    -257

    -174

    -107

    -126

    -71

    -34

    -15

    -22

    -35

    -54

    3

    13

    23

    37

    37

    51

    71

    100

    120

    -180

    76

    101

    -267

    54

    79

    120

    140

    -200

    -145

    -85

    -85

    -43

    -14

    0

    0

    0

    0

    ±12.5

    ±20

    28

    40

    52

    68

    83

    88

    117

    -300

    -208

    -125

    -148

    -83

    -39

    -18

    -25

    -40

    -63

    3

    15

    27

    43

    43

    63

    92

    140

    160

    -210

    155

    125

    -310

    100

    160

    180

    -230

    93

    133

    -330

    68

    108

    180

    200

    -240

    -170

    -100

    -100

    -50

    -15

    0

    0

    0 -46

    0

    ±14.5

    ±23

    33

    46

    60

    79

    96

    106

    151

    -355

    -242

    -146

    -172

    -96

    -44

    -20

    -29

    -72

    14

    17

    31

    50

    50

    77

    122

    200

    225

    -260

    109

    159

    -375

    80

    130

    225

    250

    -280

    113

    169

    -395

    84

    140

    250

    280

    -300

    -190

    -110

    -110

    -56

    -17

    0

    0 -32

    0

    0

    ±16

    ±26

    36

    52

    66

    88

    108

    126

    190

    -430

    -271

    -162

    -191

    -108

    -49

    -23

    -52

    -81

    4

    20

    34

    56

    56

    94

    158

    280

    315

    -330

    130

    202

    -460

    98

    170

    315

    355

    -360

    -210

    -125

    -125

    -62

    -18

    0

    0

    0

    0

    ±18

    ±28

    40

    57

    73

    98

    119

    114

    226

    -500

    -299

    -182

    -214

    -119

    -54

    -25

    -36

    -57

    -89

    4

    21

    37

    62

    62

    108

    190

    355

    400

    -400

    105

    224

    540

    114

    208

    400

    450

    -440

    -230

    -135

    -135

    -68

    -20

    0

    0

    0

    0

    ±20

    ±31

    45

    63

    80

    108

    131

    166

    272

    -540

    -327

    -198

    -232

    -131

    -60

    -27

    -40

    -63

    -97

    5

    23

    40

    68

    68

    126

    232

    450

    500

    -480

    172

    292

    -635

    132

    252

    Hole tolerance (ISO)

    <

    B10

    C9

    D8

    E7

    E8

    F7

    G7

    H6

    H7

    H8

    JS7

    K7

    M7

    N7

    P7

    R7

    S7

    T7

    3

    180

    85

    34

    24

    28

    16

    12

    6

    10

    14

    ±5

    0

    -2

    -4

    -6

    -10

    -14

    140

    60

    20

    14

    14

    6

    2

    0

    0

    0

    -10

    -12

    -14

    -16

    -20

    -24

    3

    6

    188

    100

    48

    32

    38

    22

    16

    8

    12

    18

    ±6

    3

    0

    -4

    -8

    -11

    -15

    140

    70

    30

    20

    20

    10

    4

    0

    0

    0

    -9

    -12

    -16

    -20

    -23

    -27

    6

    10

    208

    116

    62

    40

    47

    28

    20

    9

    15

    22

    ±7

    5

    0

    -4

    -9

    -13

    -17

    150

    80

    40

    25

    25

    13

    5

    0

    0

    0

    -10

    -15

    -19

    -24

    -28

    -32

    10

    14

    200

    138

    77

    50

    59

    34

    24

    11

    18

    27

    ±9

    6

    0

    -5

    -11

    -16

    -21

    14

    18

    150

    95

    50

    32

    32

    16

    6

    0

    0

    0

    -12

    -18

    -23

    -29

    -34

    -39

    18

    24

    244

    162

    98

    61

    73

    41

    28

    13

    21

    33

    ±10

    6

    0

    -7

    -14

    -20

    -27

    24

    30

    160

    110

    65

    40

    40

    20

    7

    0

    0

    0

    -15

    -21

    -28

    -35

    -41

    -48

    -33

    -54

    30

    40

    270

    182

    119

    75

    89

    50

    34

    16

    25

    39

    ±12

    7

    0

    -8

    -17

    -25

    -34

    -39

    170

    120

    80

    50

    50

    25

    9

    0

    0

    0

    -18

    -25

    -33

    -42

    -50

    -59

    -64

    40

    50

    280

    192

    -45

    180

    130

    -70

    50

    65

    310

    214

    146

    90

    106

    60

    40

    19

    30

    46

    ±15

    9

    0

    -9

    -21

    -30

    -42

    -55

    190

    140

    100

    60

    60

    30

    10

    0

    0

    0

    -21

    -30

    -39

    -51

    -60

    -72

    -85

    65

    80

    320

    224

    -32

    -48

    -64

    200

    150

    -62

    -78

    -94

    80

    100

    360

    257

    174

    107

    125

    71

    47

    22

    35

    54

    ±17

    10

    0

    -10

    -24

    -38

    -58

    -78

    220

    170

    120

    72

    72

    36

    12

    0

    0

    0

    -25

    -35

    -45

    -59

    -73

    -93

    -113

    100

    120

    380

    267

    -41

    -66

    -91

    240

    180

    -76

    -101

    -126

    120

    140

    420

    300

    208

    125

    148

    83

    54

    25

    40

    63

    ±20

    12

    0

    -12

    -28

    -48

    -77

    -107

    260

    200

    145

    85

    85

    43

    14

    0

    0

    0

    -28

    -40

    -52

    -68

    -88

    -117

    -147

    140

    160

    440

    310

    -50

    -85

    -119

    280

    210

    -90

    -125

    -159

    160

    180

    470

    330

    -53

    -93

    -131

    310

    230

    -93

    -133

    -171

    180

    200

    525

    355

    242

    146

    172

    96

    61

    29

    46

    72

    ±23

    13

    0

    -14

    -33

    -60

    -105

    -149

    340

    240

    170

    100

    100

    50

    15

    0

    0

    0

    -33

    -46

    -60

    -79

    -106

    -151

    -195

    200

    225

    565

    375

    -63

    -113

    -163

    380

    260

    -109

    -159

    -209

    225

    250

    605

    395

    -67

    -123

    -179

    420

    280

    -113

    -169

    -225

    250

    280

    690

    430

    271

    162

    191

    108

    69

    32

    52

    81

    ±26

    16

    0

    -80

    -36

    -74

    -138

    -198

    480

    300

    190

    110

    110

    56

    17

    0

    0

    0

    -36

    -52

    -88

    -126

    -190

    -250

    280

    315

    750

    460

    -78

    -150

    -220

    540

    330

    -130

    -202

    -272

    315

    355

    830

    500

    299

    182

    214

    119

    75

    36

    57

    89

    ±28

    17

    0

    -16

    -41

    -87

    -169

    -247

    600

    360

    210

    125

    125

    62

    18

    0

    0

    0

    -40

    -57

    -73

    -98

    -144

    -226

    -304

    355

    400

    910

    540

    -93

    -187

    -273

    680

    400

    -150

    -244

    -330

    400

    450

    1010

    595

    327

    198

    232

    131

    83

    40

    63

    97

    ±31

    18

    0

    -17

    -45

    -103

    -209

    -307

    760

    440

    230

    135

    135

    135

    20

    0

    0

    0

    -45

    -63

    -80

    -108

    -166

    -272

    -370

    450

    500

    1090

    635

    -109

    -229

    -337

    840

    480

    -172

    -292

    -400




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