ISO SHAFT FIT TOLERANCES

The charts below gives the Limits and Fits for ISO 286-2 Shaft Basis for holes ranging from 3mm to 400mm and 400mm to 3150mm and Fit Types

Nominal Dimension and Tolerance Zone for Shafts are in mm (Metric). ISO Shaft Tolerances help the manufacturer to machine the parts with specified limits given by the design engineer. ISO Shaft Tolerance limits are designated with lower case letters as shown in the chart.

ISO 286-2 SHAFT FITS 3 - 400 mm

NOMINAL SHAFT SIZES (mm)
OVER 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355
INCLUDING 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400
micrometres
GRADE All limits below with + sign
a12 -270
-390
-280
-430
-290
-470
-300
-510
-310
-560
-320
-570
-340
-640
-360
-660
-380
-730
-410
-760
-460
-860
-520
-920
-580
-980
-660
-1120
-740
-1200
-820
-1280
-920
-1440
-1050
-1570
-1200
-1770
-1350
-1920
d6 -30
-38
-40
-49
-50
-61
-65
-78
-80
-96
-100
-119
-120
-142
-145
-170
-170
-199
-190
-222
-210
-246
e6 -20
-28
-25
-34
-32
-43
-40
-53
-50
-66
-60
-79
-72
-94
-85
-110
-100
-129
-110
-142
-125
-161
e13 -20
-200
-25
-245
-32
-302
-40
-370
-50
-440
-60
-520
-72
-612
-85
-715
-100
-820
-110
-920
-125
-1015
f5 -10
-15
-13
-19
-16
-24
-20
-29
-25
-36
-30
-43
-36
-51
-43
-61
-50
-70
-56
-79
-62
-87
f6 -10
-18
-13
-22
-16
-27
-20
-33
-25
-41
-30
-49
-36
-58
-43
-68
-50
-79
-56
-88
-62
-98
f7 -10
-22
-13
-28
-16
-34
-20
-41
-25
-50
-30
-60
-36
-71
-43
-83
-50
-96
-56
-108
-62
-119
g5 -4
-9
-5
-11
-6
-14
-7
-16
-9
-20
-10
-23
-12
-27
-14
-32
-15
-35
-17
-40
-18
-43
g6 -4
-12
-5
-14
-6
-17
-7
-20
-9
-25
-10
-29
-12
-34
-14
-39
-15
-44
-17
-49
-18
-54
g7 -4
-16
-5
-20
-6
-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
-12
0
-15
0
-18
0
-21
0
-25
0
-30
0
-35
0
-40
0
-46
0
-52
0
-57
h8 0
-18
0
-22
0
-27
0
-33
0
-39
0
-46
0
-54
0
-63
0
-72
0
-81
0
-89
h9 0
-30
0
-36
0
-43
0
-52
0
-62
0
-74
0
-87
0
-100
0
-115
0
-130
0
-140
h10 0
-48
0
-58
0
-70
0
-84
0
-100
0
-120
0
-140
0
-160
0
-185
0
-210
0
-230
h11 0
-75
0
-90
0
-110
0
-130
0
-160
0
-190
0
-220
0
-250
0
-290
0
-320
0
-360
h12 0
-120
0
-150
0
-180
0
-210
0
-250
0
-300
0
-350
0
-400
0
-460
0
-520
0
-570
j5 +3
-2
+4
-2
+5
-3
+5
-4
+6
-5
+6
-7
+6
-9
+7
-11
+7
-13
+7
-16
+7
-18
j6 +6
-2
+7
-2
+8
-3
+9
-4
+11
-5
+12
-7
+13
-9
+14
-11
+16
-13
+16
-16
+18
-18
j7 +8
-4
+10
-5
+12
-6
+13
-8
+15
-10
+18
-12
+20
-15
+22
-18
+25
-21
+26
-26
+29
-28
js5 +2.5
-2.5
+3
-3
+4
-4
+4.5
-4.5
+5.5
-5.5
+6.5
-6.5
+7.5
-7.5
+9
-9
+10
-10
+11.5
-11.5
+12.5
-12.5
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
k5 +6
+1
+7
+1
+9
+1
+11
+2
+13
+2
+15
+2
+18
+3
+21
+3
+24
+4
+27
+4
+29
+4
k6 +9
+1
+10
+1
+12
+1
+15
+2
+18
+2
+21
+2
+25
+3
+28
+3
+33
+4
+36
+4
+40
+4
k7 +13
+1
+16
+1
+19
+1
+23
+2
+27
+2
+32
+2
+38
+3
+43
+3
+50
+4
+56
+4
+61
+4
m5 +9
+4
+12
+6
+15
+7
+17
+8
+20
+9
+24
+11
+28
+13
+33
+15
+37
+17
+43
+20
+46
+21
m6 +12
+4
+15
+6
+18
+7
+21
+8
+25
+9
+30
+11
+35
+13
+40
+15
+46
+17
+52
+20
+57
+21
m7 +16
+4
+21
+6
+25
+7
+29
+8
+34
+9
+41
+11
+48
+13
+55
+15
+63
+17
+72
+20
+78
+21
n5 +13
+8
+16
+10
+20
+12
+24
+15
+28
+17
+33
+20
+38
+23
+45
+27
+51
+31
+57
+34
+62
+37
n6 +16
+8
+19
+10
+23
+12
+28
+15
+33
+17
+39
+20
+45
+23
+52
+27
+60
+31
+66
+34
+73
+37
n7 +20
+8
+25
+10
+30
+12
+36
+15
+42
+17
+50
+20
+58
+23
+67
+27
+77
+31
+86
+34
+94
+37
p5 +17
+12
+21
+15
+26
+18
+31
+22
+37
+26
+45
+32
+52
+37
+61
+43
+70
+50
+79
+56
+87
+62
p6 +20
+12
+24
+15
+29
+18
+35
+22
+42
+26
+51
+32
+59
+37
+68
+43
+79
+50
+88
+56
+98
+62
r6 +23
+15
+28
+19
+34
+23
+41
+28
+50
+34
+60
+41
+62
+43
+73
+51
+76
+54
+88
+63
+90
+65
+93
+68
+106
+77
+109
+80
+113
+84
+126
+94
+130
+98
+144
+108
+150
+114
NOMINAL SHAFT SIZES(mm)
OVER 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355
INCLUDING 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400

ISO 286-2 SHAFT FITS 400 - 3150 mm

NOMINAL SHAFT SIZES
OVER 400 500 630 800 1000 1250 1600 2000 2500
INCLUDING 500 630 800 1000 1250 1600 2000 2500 3150
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
h6 0 0
-44
0
-50
0
-56
0
-66
0
-78
0
-92
0
-110
0
-135
h7 0
-63
0
-70
0
- 80
0
- 90
0
-105
0
- 125
0
-150
0
-175
0
-210
h8 0
-97
0
-110
0
-125
0
-140
0
-165
0
-195
0
-230
0
- 280
0
-330
h9 0
-155
0
-175
0
-200
0
-230
0
-260
0
-310
0
-370
0
- 440
0
-540
h10 0
-250
0
-280
0
-320
0
-360
0
-420
0
-500
0
-600
0
-700
0
-860
h11 0
-400
0
- 440
0
-500
0
-560
0
-660
0
-780
0
-920
0
-1100
0
-1350
jS6 +/-20 +/-22 +/-25 +/-28 +/-33 +/-39 +/-46 +/-55 0+/-67,5
jS7 +/-31,5 +/-35 +/-40 +/-45 +/-52,5 +/-62,5 +/-75 +/-87,5 +/-105
jS8 +/-48,5 +/-55 +/-62,5 +/-70 +/-82,5 +/-97,5 +/-115 +/-140 +/-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
OVER 400 500 630 800 1000 1250 1600 2000 2500
INCLUDING 500 630 800 1000 1250 1600 2000 2500 3150
NOMINAL SHAFT SIZES

EXTENDED RANGE FOR FASTENERS

NOMINAL SIZE  
OVER INCLUDING m6 h6 h8 h10 h11 h13 h14 h15 h16
0 1 +0.002
+0.008
0
-0.006
0
-0.014
0
-0.040
0
-0.060
0
-0.14
- - -
1 3 +0.002
+0.008
0
-0.006
0
-0.014
0
-0.040
0
-0.060
0
-0.14
0
-0.25
0
-0.40
0
-0.60
3 6 +0.004
+0.012
0
-0.008
0
-0.018
0
-0.048
0
-0.075
0
-0.18
0
-0.30
0
-0.48
0
-0.75
6 10 +0.006
+0.015
0
-0.009
0
-0.022
0
-0.058
0
-0.090
0
-0.22
0
-0.36
0
-0.58
0
-0.90
10 18 +0.007
+0.018
0
-0.011
0
-0.027
0
-0.070
0
-0.110
0
-0.27
0
-0.43
0
-0.70
0
-1.10
18 30 +0.008
+0.021
0
-0.030
0
-0.033
0
-0.084
0
-0.130
0
-0.33
0
-0.52
0
-0.84
0
-1.30
30 50 - - - - - 0
-0.39
0
-0.62
0
-1.00
0
-1.60
50 80 - - - - - 0
-0.46
0
-0.74
0
-1.20
0
-1.90
80 120 - - - - - 0
-0.54
0
-0.87
0
-1.40
0
-2.20
NOMINAL SIZE  
OVER INCLUDING js14 js15 js16 js17
1 3 +0.125 +0.20 +0.30 +0.50
3 6 +0.15 +0.24 +0.375 +0.60
6 10 +0.18 +0.29 +0.45 +0.75
10 18 +0.215 +0.35 +0.55 +0.90
18 30 +0.26 +0.42 +0.65 +1.05
30 50 +0.31 +0.50 +0.80 +1.25
50 80 +0.37 +0.60 +0.95 +1.50
80 120 +0.435 +0.70 +1.10 +1.75
120 180 +0.50 +0.80 +1.25 +2.00
180 250 +0.575 +0.925 +1.45 +2.30
250 315 +0.65 +1.05 +1.60 +2.60
315 400 +0.70 +1.15 +1.80 +2.85
400 500 +0.775 +1.25 +2.00 +3.15

FIT TYPES

DESCRIPTION HOLE SHAFT
Loose Running H11 c11
Free Running H9 d9
Loose Running H11 c11
Easy Running - Good quality easy to produce H8 f8
Sliding H7 g6
Close Clearance - Spigots and locations H8 f7
Location/Clearance H7 h6
Location- slight interference H7 k6
Location/Transition H7 n6
Location/Interference- Press fit which can be separated H7 p6
Medium Drive H7 s6
Force H7 u6