Class I - Loose Fit Tolerance Chart

Shaft - Hole Class Grade Tolerances | Mechanical Tolerance Standards Charts

Class I | Class II | Class III | Class IV | Class V

Loose Fit
Basic
Diameter		 Hole
Diameter		 Shaft
Diameter		 Clearance
Maximum
Minimum
.125 .1250
.1258		 .1246
.1236		 .0004
.0022
.156 .1562
.1578		 .1558
.1548		 .0004
.0030
.188 .1875
.1891		 .1871
.1861		 .0004
.0030
.213 .2188
.2204		 .2184
.2174		 .0004
.0030
.250 .2500
.2516		 .2496
.2486		 .0004
.0030
.281 .2812
.2832		 .2805
.2794		 .0007
.0038
.312 .3125
.3145		 .3118
.3107		 .0007
.0038
.344 .3438
.3458		 .3431
.3420		 .0007
.0038
.375 .3750
.3770		 .3743
.3732		 .0007
.0038
.406 .4062
.4082		 .4055
.4044		 .0007
.0038
.438 .4375
.4395		 .4368
.4357		 .0007
.0038
.469 .4688
.4708		 .4681
.4670		 .0007
.0038
.500 .5000
.5020		 .4993
.4982		 .0007
.0038
.562 .5625
.5650		 .5615
.5603		 .0010
.0047
.625 .6250
.6275		 .6240
.6228		 .0010
.0047
.688 .6875
.6900		 .6865
.6853		 .0010
.0047
.750 .7500
.7525		 .7490
.7478		 .0010
.0047
.812 .8125
.8155		 .8113
.8100		 .0012
.0055
.875 .8750
.8780		 .8738
.8725		 .0012
.0055
.938 .9375
.9405		 .9363
.9350		 .0012
.0055
1.000 1.0000
1.0030		 .9988
.9975		 .0012
.0055
1.125 1.1250
1.1285		 1.1235
1.1218		 .0015
.0067
1.250 1.2500
1.2535		 1.2485
1.2468		 .0015
.0067
1.375 1.3750
1.3785		 1.3735
1.3718		 .0015
.0067
1.500 1.5000
1.5036		 1.4985
1.4968		 .0015
.0068

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