ISO Tolerances for Holes ISO 286-2 - West Midland Grinding

ISO Tolerances for Holes ISO 286-2

ISO Tolerances for Holes ISO 286-2

ISO Tolerances for Holes ISO 286-2

 

 

Nominal hole sizes in millimetres

over

 

3
6
10
18
30
40
50
65
80
100
120
140
160
180
200
225
250
280
315
355

inc.

 

6
10
18
30
40
50
65
80
100
120
140
160
180
200
225
250
280
315
355
400

 

 

Tolerance in 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

+20

+175

+25

+212

+32

+250

+40

+300

 

+50

+360

 

+ 60

+422

+72

+485

 

+85

+560

 

+100

+630

+110

+695

 

+125

E13

+200

+20

+245

+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

-10.5

+12.5

 

-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

-13.5

+16.5

-16.5

+19.5

 

-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

 

-54

-37

 

-56

-44

-66

-47

-69

-56

 

-81

-58

 

-83

-61

-86

-68

-97

-71

 

-100

-75

 

-104

-85

-117

-89

-121

-97

-133

-103

-139

R7

-11

-23

-13

-28

-16

-34

-20

-41

-25

-50

-30

 

-60

-32

 

-62

-38

 

-73

-41

 

-76

-48

-88

-50

-90

-53

 

-93

-60

 

-106

-63

-109

-67

-113

-74

 

-126

-78

 

-130

-87

-144

-93

-150

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