Standard Tolerance Chart

The following tolerance information is for reference purposes only and is intended to provide an indication of the types of tolerances which can be achieved with a molded part. This chart does not represent a guarantee of the tolerances which can be achieved in all cases. In many instances, specific part geometry will affect the precision of the tolerances which can be achieved. Please contact our Customer Service Group if you need a tolerance assessment conducted for a specific product.

Recommended Tolerances

Dimension Fixed Dimension Tolerance Closure Dimension Tolerance
(in) (mm) (in) (mm) (in) (mm)
.001 - .250 .0254 - 6.350 ±.004 ±.102 ±.005 ±.127
.251 - .500 6.375 - 12.700 ±.004 ±.102 ±.005 ±.127
.501 - .625 12.725 - 15.875 ±.005 ±.127 ±.006 ±.152
.626 - .750 15.900 - 19.050 ±.006 ±.152 ±.008 ±.203
.751 - 1.000 19.075 - 25.400 ±.006 ±.152 ±.008 ±.203
1.001 - 1.500 25.425 - 38.100 ±.008 ±.203 ±.010 ±.254
1.501 - 2.000 38.125 - 50.800 ±.010 ±.254 ±.013 ±.330
2.001 - 2.500 50.825 - 63.500 ±.010 ±.254 ±.013 ±.330
2.501 - 3.000 63.525 - 76.200 ±.014 ±.355 ±.015 ±.381
3.001 - 3.500 76.225 - 88.900 ±.017 ±.432 ±.018 ±.457
3.501 - 4.000 88.925 - 101.600 ±.020 ±.508 ±.020 ±.508
4.001 - 5.000 101.625 - 127.000 ±.025 ±.635 ±.025 ±.635
5.001 - 7.000 127.025 - 177.800 ±.035 ±.890 ±.035 ±.890
7.001 - 8.000 177.825 - 203.200 ±.040 ±1.016 ±.040 ±1.016
8.001 - 9.000 203.225 - 228.600 ±.045 ±1.143 ±.045 ±1.143
9.001 - 10.000 228.625 - 254.000 ±.050 ±1.270 ±.050 ±1.270
10.001 - 11.000 254.025 - 279.400 ±.055 ±1.397 ±.055 ±1.397
11.001 - 13.000 279.425 - 330.200 ±.065 ±1.651 ±.065 ±1.651
13.001 - 14.000 330.225 - 355.600 ±.075 ±1.905 ±.075 ±1.905
14.001 - 15.000 355.625 - 381.000 ±.090 ±2.286 ±.090 ±2.286

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