Fixed Dimension: Independent dimension not calculated from other reference dimensions.
Closure Dimension: Largest outside dimension and additional outside dimensions on the same part.
Tolerance levels typically impact cost due to increased processing time and higher reject rates.
Custom Molded Tolerances (Inches)
Commercial Grade (Standard) RMA-A3 | Precision Grade RMA-A2 | High Precision Grade RMA-A1 | ||||
|---|---|---|---|---|---|---|
Fixed Dimension | Closure Dimension | Fixed Dimension | Closure Dimension | Fixed Dimension | Closure Dimension | |
0.00 to 0.39 | +/- .008 | +/-.013 | +/- .006 | +/- .008 | +/- .004 | +/- .005 |
0.40 to 0.63 | +/-.010 | +/-.016 | +/- .008 | +/- .010 | +/- .005 | +/- .006 |
0.64 to 0.99 | +/-.013 | +/-.020 | +/- .010 | +/- .013 | +/- .006 | +/- .008 |
1.00 to 1.59 | +/-.016 | +/-.025 | +/- .013 | +/- .016 | +/- .008 | +/- .010 |
1.60 to 2.49 | +/-.020 | +/-.032 | +/- .016 | +/- .020 | +/- .010 | +/- .013 |
2.50 to 3.99 | +/-.025 | +/-.040 | +/- .020 | +/- .025 | +/- .013 | +/- .016 |
4.00 to 6.29 | +/-.032 | +/-.050 | +/- .025 | +/- .032 | +/- .016 | +/- .020 |
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