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Geometric Tolerances


GDT
ISO tolerance for shafts
ISO tolerance for holes
Surface Roughness
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Level I, II, III


Engineering Plastic
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Chart limit and fit | ISO tolerances for holes| ISO tolerance for shafts |

 

ISO Tolerances for Holes (ISO 286-2)
Nominal hole sizes (mm)
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
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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