I.S.O. Tolerances
The total tolerance is taken under
Nominal Sizes
h 11
h 10
h 9
h 8
h 7
h 6
>1 to 3 mm
0.060
0.040
0.025
0.014
0.010
0.006
>3 to 6 mm
0.075
0.048
0.030
0.018
0.012
0.008
>6 to 10 mm
0.090
0.058
0.036
0.022
0.015
0.009
>10 to 18 mm
0.110
0.070
0.043
0.027
0.018
0.011
>18 to 30 mm
0.130
0.084
0.052
0.033
0.021
0.013
>30 to 50 mm
0.160
0.100
0.062
0.039
0.025
0.016
>50 to 80 mm
0.190
0.120
0.074
0.046
0.030
0.019
>80 to 120 mm
0.220
0.140
0.087
0.054
0.035
0.022
>120 to 180 mm
0.250
0.160
0.100
0.063
0.040
0.025
>3/64" to 1/8"
0.00240
0.00157
0.00098
0.00055
0.00039
0.00024
>1/8" to 15/64"
0.00295
0.00189
0.00118
0.00071
0.00047
0.00031
>15/64" to 25/64"
0.00354
0.00228
0.00142
0.00087
0.00059
0.00035
>25/64" to 45/64"
0.00433
0.00275
0.00169
0.00106
0.00071
0.00043
>45/64" to 1.3/16"
0.00511
0.00331
0.00205
0.00130
0.00082
0.00051
>1.3/16" to 2"
0.00629
0.00393
0.00244
0.00153
0.00098
0.00063
>2" to 3.1/8"
0.00748
0.00474
0.00291
0.00181
0.00118
0.00075
>3.1/8" to 4.3/4"
0.00866
0.00551
0.00342
0.00213
0.00137
0.00087
>4.3/4" to 7.3/32"
0.00984
0.00629
0.00393
0.00248
0.00157
0.00098