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ISO Tolerances For Holes (ISO 286-2) : Over Inc

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The document provides information about ISO tolerances for holes and shafts based on nominal sizes. It includes hole and shaft charts that specify tolerance values for different sizes and classes.

ISO tolerances specify acceptable deviation limits for manufactured parts to ensure interchangeability and proper assembly of components. They are used to define the acceptable range for hole and shaft diameters.

The hole and shaft charts list nominal sizes in millimeters and provide tolerance values for various classes above and below the nominal size. They cover a range of sizes from 3mm to 400mm.

|

, limit and fits


Hole Chart

ISO Tolerances for Holes (ISO 286-2)


Nominal hole sizes (mm)
over

10

18

30 40

50

65

inc.

10

18

30

40 50

65

80

80

100 120 140 160

180

200

225

250

280

315

355

100 120 140 160 180

200

225

250

280

315

355

400

micrometres
E6

+28
+20

+34
+25

+43
+32

+53
+40

+66
+50

+79
+ 60

+94
+72

+110
+85

+129
+100

+142
+110

+161
+125

E7

+32
+20

+40
+25

+50
+32

+61
+40

+75
+50

+90
+ 60

+107
+72

+125
+85

+146
+100

+162
+110

+185
+125

E11

+95
+20

+115
+25

+142
+32

+170
+40

+210
+50

+250
+ 60

+292
+72

+335
+85

+390
+100

+430
+110

+485
+125

E12

+140 +175
+20 +25

+212
+32

+250
+40

+300
+50

+360
+ 60

+422
+72

+485
+85

+560
+100

+630
+110

+695
+125

E13

+200 +245
+20 +25

+302
+32

+370
+40

+440
+50

+520
+ 60

+612
+72

+715
+85

+820
+100

+920
+110

+1 015
+125

F6

+18
+10

+22
+13

+27
+16

+33
+20

+41
+2

+49
+ 30

+58
+36

+68
43

+79
+50

+88
+56

+98
+62

F7

+22
+10

+28
+13

+34
+16

+41
+20

+50
+25

+60
+ 30

+71
+36

+83
43

+96
+50

+108
+56

+119
+62

F8

+28
+10

+35
+13

+43
+16

+53
+20

+64
+25

+76
+ 30

+90
+36

+106
43

+122
+50

+137
+56

+151
+62

G6

+12
+4

+14
+5

+17
+6

+20
+7

+25
+9

+29
+10

+34
+ 12

+39
+14

+44
+15

+49
+17

+54
+18

G7

+16
+4

+20
+5

+24
+6

+28
+7

+34
+9

+40
+10

+47
+ 12

+54
+14

+61
+15

+69
+17

+75
+18

G8

+22
+4

+27
+5

+33
+6

+40
+7

+48
+9

+56
+10

+66
+ 12

+77
+14

+87
+15

+98
+17

+107
+18

H6

+8
0

+9
0

+11
0

+13
0

+16
0

+19
0

+22
0

+25
0

+29
0

+32
0

+36
0

H7

+12
0

+15
0

+18
0

+21
0

+25
0

+30
0

+35
0

+40
0

+46
0

+52
0

+57
0

H8

+18
0

+22
0

+27
0

+33
0

+39
0

+46
0

+54
0

+63
0

+72
0

+81
0

+89
0

H9

+30
0

+36
0

+43
0

+52
0

+62
0

+74
0

+87
0

+100
0

+115
0

+130
0

+140
0

H10

+48
0

+58
0

+70
0

+84
0

+100
0

+120
0

+140
0

+160
0

+185
0

+210
0

+230
0

H11

+75
0

+90
0

+110
0

+130
0

+160
0

+190
0

+220
0

+250
0

+290
0

+320
0

+360
0

J6

+5
-3

+5
-4

+6
-5

+8
-5

+10
-6

+13
-6

+16
-6

+18
-7

+22
-7

+25
-7

+29
-7

J7

+6
-6

+8
-7

+10
-8

+12
-9

+14
-11

+18
-12

+22
-13

+26
-14

+30
-16

+36
-16

+39
-18

J8

+10
-8

+12
-10

+15
-12

+20
-13

+24
-15

+28
-18

+34
-20

+41
-22

+47
-25

+55
-26

+60
-29

JS6

+4
-4

+4.5
-4.5

+5.5
-5.5

+6.5
-6.5

+8
-8

+9.5
-9.5

+11
-11

+12.5
-12.5

+14.5
-14.5

+16
-16

+18
-18

JS7

+6
-6

+7.5
-7.5

+9
-9

+10.5 +12.5
-10.5 -12.5

+15
-15

+17.5
-17.5

+20
-20

+23
-23

+26
-26

+28.5
-28.5

JS8

+9
-9

+11
-11

+13.5 +16.5 +19.5


-13.5 -16.5 -19.5

+23
-23

+27
-27

+31.5
-31.5

+36
-36

+40.5
-40.5

+44.5
-44.5

K6

+2
-6

+2
-7

+2
-9

+2
-11

+3
-13

+4
-15

+4
-18

+4
-21

+5
-24

+5
-27

+7
-29

K7

+3
-9

+5
-10

+6
-12

+6
-15

+7
-18

+9
-21

+10
-25

+12
-28

+13
-33

+16
-36

+17
-40

K8

+5
-13

+6
-16

+8
-19

+10
-23

+12
-27

+14
-32

+16
-38

+20
-43

+22
-50

+25
-56

+28
-61

M6

-1
-9

-3
-12

-4
-15

-4
-17

-4
-20

-5
-24

-6
-28

-8
-33

-8
-37

-9
-41

-10
-46

M7

0
-12

0
-15

0
-18

0
-21

0
-25

0
-30

0
-35

0
-40

0
-46

0
-52

0
-57

M8

+2
-16

+1
-21

+2
-25

+4
-29

+5
-34

+5
-41

+6
-48

+8
-55

+9
-63

+9
-72

+11
-78

N6

-5
-13

-7
-16

-9
-20

-11
-24

-12
-28

-14
-33

-16
-38

-20
-45

-22
-51

-25
-57

-26
-62

N7

-4
-16

-4
-19

-5
-23

-7
-28

-8
-33

-9
-39

-10
-45

-12
-52

-14
-60

-14
-66

-16
-73

N8

-2
-20

-3
-25

-3
-30

-3
-36

-3
-42

-4
-50

-4
-58

-4
-67

-5
-77

-5
-86

-5
-94

P6

-9
-17

-12
-21

-15
-26

-18
-31

-21
-37

-26
-45

-30
-52

-36
-61

-41
-70

-47
-79

-51
-87

P7

-8
-20

-9
-24

-11
-29

-14
-35

-17
-42

-21
-51

-24
-59

-28
-68

-33
-79

-36
-88

-41
-98

P8

-12
-30

-15
-37

-18
-45

-22
-55

-26
-65

-32
-78

-37
-91

-43
-106

-50
-122

-56
-137

-62
-151

R6

-12
-20

-16
-25

-20
-31

-24
-37

-29
-45

-35 -37 -44


-54 -56 -66

-47
-69

-56
-81

-58
-83

-61
-86

-71 -75 -85 -89 -97


-100 -104 -117 -121 -133

-103
-139

R7

-11
-23

-13
-28

-16
-34

-20
-41

-25
-50

-30 -32 -38


-60 -62 -73

-41
-76

-48
-88

-50
-90

-53 -60 -63 -67 -74 -78 -87


-93 -106 -109 -113 -126 -130 -144

-93
-150

Shaft Chart ISO

-68
-97

Tolerances
for tolerance
Shafts for
(ISO
286-2)
| Chart limit and fit | ISOISO
tolerances
for holes| ISO
shafts
|
Nominal Shaft Sizes (mm)
over

10

18

30 40 50 65 80 100 120 140 160 180 200 225 250

280

315

355

inc.

10

18

30

40 50 65 80 100 120 140 160 180 200 225 250 280

315

355

400

micrometres
a12

-660 -740 -820 -920 -1050


-270 -280 -290 -300 310 320 340 360 380 -410 460 520 580
1200
-390 -430 -470 -510 - -760 1120 1200 1280 1440 -1570
560 570 640 660 730
860 920 980
1770

-1350
-1920

d6

-30 -40 -50 -65


-38 -49 -61 -78

-80
-96

-100
-119

-120
-142

-145
-170

-170
-199

-190
-222

-210
-246

e6

-20 -25 -32 -40


-28 -34 -43 -53

-50
-66

-60
-79

-72
-94

-85
-110

-100
-129

-110
-142

-125
-161

e13

-20 -25 -32 -40


-200 -245 -302 -370

-50
-440

-60
-520

-72
-612

-85
-715

-100
-820

-110
-920

-125
-1015

f5

-10 -13 -16


-15 -19 -24

-20
-29

-25
-36

-30
-43

-36
-51

-43
-61

-50
-70

-56
-79

-62
-87

f6

-10 -13 -16 -20


-18 -22 -27 -33

-25
-41

-30
-49

-36
-58

-43
-68

-50
-79

-56
-88

-62
-98

f7

-10 -13 -16 -20


-22 -28 -34 -41

-25
-50

-30
-60

-36
-71

-43
-83

-50
-96

-56
-108

-62
-119

g5

-4
-9

-5 -6
-11 -14

-7
-16

-9
-20

-10
-23

-12
-27

-14
-32

-15
-35

-17
-40

-18
-43

g6

-4 -5 -6
-12 -14 -17

-7
-20

-9
-25

-10
-29

-12
-34

-14
-39

-15
-44

-17
-49

-18
-54

g7

-4 -5 -6
-16 -20 -24

-7
-28

-9
-34

-10
-40

-12
-47

-14
-54

-15
-61

-17
-69

-18
-75

h4

-0
-4

-0
-4

-0
-5

-0
-6

-0
-7

-0
-8

-0
-10

-0
-12

-0
-14

-0
-16

-0
-18

h5

-0
-5

-0
-6

-0
-8

-0
-9

-0
-11

-0
-13

-0
-15

-0
-18

-0
-20

-0
-23

-0
-25

h6

-0
-8

-0
-9

-0
-11

-0
-13

-0
-16

-0
-19

-0
-22

-0
-25

-0
-29

-0
-32

-0
-36

h7

-0 -0 -0
-12 -15 -18

-0
-21

-0
-25

-0
-30

-0
-35

-0
-40

-0
-46

-0
-52

-0
-57

h8

-0 -0 -0
-18 -22 -27

-0
-33

-0
-39

-0
-46

-0
-54

-0
-63

-0
-72

-0
-81

-0
-89

h9

-0 -0 -0
-30 -36 -43

-0
-52

-0
-62

-0
-74

-0
-87

-0
-100

-0
-115

-0
-130

-0
-140

h10

-0 -0 -0
-48 -58 -70

-0
-84

-0
-100

-0
-120

-0
-140

-0
-160

-0
-185

-0
-210

-0
-230

h11

-0 -0 -0
-0
-75 -90 -110 -130

-0
-160

-0
-190

-0
-220

-0
-250

-0
-290

-0
-320

-0
-360

h12

-0 -0 -0
-0
-120 -150 -180 -210

-0
-250

-0
-300

-0
-350

-0
-400

-0
-460

-0
-520

-0
-570

j5

+3 +4
-2 -2

j6

+6
-2

j7

+8 +10 +12 +13


-4 -5 -6
-8

js5

+5
-3

+5
-4

+6
-5

+6
-7

+6
-9

+7
-11

+7
-13

+7
-16

+7
-18

+7 +8
-2 -3

+9
-4

+11
-5

+12
-7

+13
-9

+14
-11

+16
-13

+16
-16

+18
-18

+15
-10

+18
-12

+20
-15

+22
-18

+25
-21

+26
-26

+29
-28

+5.5
-5.5

+6.5
-6.5

+7.5
-7.5

+9
-9

+10
-10

+11.5
-11.5

+12.5
-12.5

+8
-8

+9.5
-9.5

+11
-11

+12.5
-12.5

+14.5
-14.5

+16
-16

+18
-18

+2.5 +3
-2.5 -3

+4 +4.5
-4 -4.5

js6

+4 +4.5 +5.5 +6.5


-4 -4.5 -5.5 -6.5

js7

+6 +7.5 +9 +10.5 +12.5


-6 -7.5 -9 -10.5 -12.5

+15
-15

+17.5
-17.5

+20
-20

+23
-23

+26
-26

+28.5
-28.5

k5

+6 +7 +9 +11
+1 +1 +1 +2

+13
+2

+15
+2

+18
+3

+21
+3

+24
+4

+27
+4

+29
+4

k6

+9 +10 +12 +15


+1 +1 +1 +2

+18
+2

+21
+2

+25
+3

+28
+3

+33
+4

+36
+4

+40
+4

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