ISO SHAFT FIT TOLERANCES

The charts below gives the Limits and Fits for ISO 286-2 Shaft Basis for holes ranging from3mm to 400mmand400mm to 3150mmandFit 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)
OVER36101830 40506580100120140160180200225250280315355
INCLUDING61018 3040506580100120140160180200225250280315355400
micrometres
GRADEAll 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
h40
-4
0
-4
0
-5
0
-6
0
-7
0
-8
0
-10
0
-12
0
-14
0
-16
0
-18
h50
-5
0
-6
0
-8
0
-9
0
-11
0
-13
0
-15
0
-18
0
-20
0
-23
0
-25
h60
-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
h80
-18
0
-22
0
-27
0
-33
0
-39
0
-46
0
-54
0
-63
0
-72
0
-81
0
-89
h90
-30
0
-36
0
-43
0
-52
0
-62
0
-74
0
-87
0
-100
0
-115
0
-130
0
-140
h100
-48
0
-58
0
-70
0
-84
0
-100
0
-120
0
-140
0
-160
0
-185
0
-210
0
-230
h110
-75
0
-90
0
-110
0
-130
0
-160
0
-190
0
-220
0
-250
0
-290
0
-320
0
-360
h120
-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)
OVER36101830 40506580100120140160180200225250280315355
INCLUDING61018 3040506580100120140160180200225250280315355400

ISO 286-2 SHAFT FITS 400 - 3150 mm

NOMINAL SHAFT SIZES
OVER4005006308001000 1250160020002500
INCLUDING500630800100012501600200025003150
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
h600
-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+/-22+/-25+/-28+/-33+/-39+/-46+/-550+/-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
OVER40050063080010001250160020002500
INCLUDING500630 800100012501600200025003150
NOMINAL SHAFT SIZES

EXTENDED RANGE FOR FASTENERS

NOMINAL SIZE 
OVERINCLUDINGm6h6h8h10h11h13 h14h15h16
01+0.002
+0.008
0
-0.006
0
-0.014
0
-0.040
0
-0.060
0
-0.14
---
13+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
36+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
610 +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
1018+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
1830+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
3050-----0
-0.39
0
-0.62
0
-1.00
0
-1.60
5080-----0
-0.46
0
-0.74
0
-1.20
0
-1.90
80120-----0
-0.54
0
-0.87
0
-1.40
0
-2.20
NOMINAL SIZE 
OVERINCLUDINGjs14js15js16js17
13+0.125+0.20+ 0.30+0.50
36+0.15 +0.24+0.375+0.60
610+0.18+0.29+0.45+0.75
10 18+0.215+0.35+0.55 +0.90
1830+0.26+0.42+0.65+1.05
3050+0.31+0.50+0.80+1.25
50 80+0.37+0.60+0.95+1.50
80120+0.435+0.70+1.10 +1.75
120180+0.50+ 0.80+1.25+2.00
180250+0.575+0.925+1.45+2.30
250 315+0.65+1.05+1.60 +2.60
315400+0.70+1.15+1.80+2.85
400500+0.775+1.25+2.00+3.15

FIT TYPES

DESCRIPTIONHOLESHAFT
Loose RunningH11c11
Free RunningH9d9
Loose RunningH11c11
Easy Running - Good quality easy to produceH8f8
SlidingH7g6
Close Clearance - Spigots and locationsH8f7
Location/ClearanceH7 h6
Location- slight interferenceH7k6
Location/TransitionH7n6
Location/Interference- Press fit which can be separatedH7p6
Medium DriveH7s6
ForceH7u6