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ISO Shaft Tolerances (ISO 286-2) (400mm-3150mm):


ISO Shaft Tolerances for chart given below shows range between 400mm to 3150mm. Nominal Dimension and Tolerance Zone for Holes are in mm (Metric). ISO Shaft Tolerances help the manufacturer to machine the parts with specified limits given by engineer. ISO Shaft Tolerance limits is designated with lower case letter as shown in the chart and It is also described in previous pages.


Example: Nominal Size 400mm-500mm;-135μm= -135x(10-3)=-0.135mm


GradeNOMINAL SHAFT SIZES (mm)
Over4005006308001000 1250160020002500
Up To
And Incl.
50063080010001250 1600200025003150
e6-135
-175
- 145
-189
-160
-210
-170
- 226
-195
-261
-220
-298
-240
-332
-260
-360
-290
-420
e7-135
-198
-145
-215
-160
- 240
-170
-260
-195
-300
-345
-220
-240
-390
-260
-435
-290
-500
e8-135
- 232
-145
-255
-160
-285
-170
-310
-195
-360
-220
415
-240
-470
-260
-540
-290
-620
e9-135
-290
-145
-320
-160
-360
-170
-400
-195
-455
- 220
-530
-240
- 610
-260
-700
-290
-830
e10-135
-385
-145
-425
-160
-480
- 170
- 530
-195
-615
-220
-720
-240
-840
-260
-960
-290
-1150
f6-68
-108
-76
-120
-80
-130
-86
--142
-98
-164
-110
- 188
-120
-212
-130
-240
-145
-280
f7-68
-131
-76
-146
-80
- 160
-86
- 176
-98
- 203
-110
- 235
-120
-270
-130
-305
-145
-355
f8-68
-165
-76
- 186
-80
-205
-86
- 226
-98
-263
-110
-305
-120
-350
-130
-410
-145
-475
g6-20
-60
-22
-66
-24
-74
-26
-82
-28
-94
-30
-108
-32
-124
-34
-144
-38
-173
g7-20
-83
-22
-92
-24
- 104
-26
-116
-28
-133
-30
- 155
-32
-182
-34
-209
-38
-248
g8-20
-117
-22
-132
-24
- 149
-26
-166
-28
-193
-30
-225
-32
-262
-34
-314
-38
-368
h60
-40
0
-44
0
-50
0
-56
0
-66
0
-78
0
-92
0
-110
0
-135
h70
-63
0
-70
0
- 80
0
- 90
0
-105
0
- 125
0
-150
0
-175
0
-210
h80
-97
0
-110
0
-125
0
-140
0
-165
0
-195
0
-230
0
- 280
0
-330
h90
-155
0
-175
0
-200
0
-230
0
-260
0
-310
0
-370
0
- 440
0
-540
h100
-250
0
-280
0
-320
0
-360
0
-420
0
-500
0
-600
0
-700
0
-860
h110
-400
0
-440
0
-500
0
-560
0
-660
0
-780
0
-920
0
-1100
0
-1350
jS6+20
-20
+22
-22
+25
-25
+28
-28
+33
-33
+39
-39
+46
-46
+55
-55
+67.5
-67.5
jS7+31.5
-31.5
+35
-35
+40
-40
+45
-45
+52.5
-52.5
+62.5
-62.5
+-75
-75
+87.5
-87.5
+105
-105
jS8+48.5
-48.5
+55
-55
+62.5
-62.5
+70
-70
+82.5
-82.5
+97.5
-97.5
+-115
-115
+140
-140
+165
-165
k6+45
+4
+44
+ 0
+50
0
+ 56
0
+66
0
+78
0
+92
0
+110
0
+135
0
k7+68
+5
+ 70
0
+80
0
+ 90
0
+105
0
+125
0
+ 150
0
175
0
+210
0
k8+97
0
+110
0
+125
0
+140 0
0
+165
0
+195
0
+230
0
+280
0
+330
0
m6+63
+23
+70
+26
+80
+30
+90
+34
+106
+40
+126
+48
+150
+58
+178
+68
+211
+76
m7+86
+23
+96
+26
+110
+30
+124
+34
+145
+ 40
+173
+48
+208
+58
+243
+68
+286
+ 76
n6+80
+40
+88
+44
+100
+ 50
+112
+56
+132
+ 66
+156
+ 78
+184
+ 92
+ 220
+ 110
+270
+ 135
n7+103
+40
+114
+44
+130
+50
+146
+56
+171
+66
+203
+ 78
+242
+92
+ 285
+110
+345
+ 135
p6+108
+68
+122
+78
+138
+88
+156
+100
+186
+120
+218
+140
+262
+170
+305
+195
+375
+240
p7+131
+68
+148
+78
+168
+88
+190
+100
+225
+120
+265
+ 140
+320
+170
+370
+195
+450
+240
p8+165
+68
+188
+78
+213
+ 88
+240
+100
+ 285
+120
+335
+140
+400
+170
+ 475
+195
+570
+240

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