Standard Machining Tolerance at JR CNC
At JR CNC, we offer different tolerance levels based on your requirements:
| Tolerance Level | Standard Tolerance | Application |
|---|---|---|
| Standard | ±0.01 mm (±0.0004″) | General machined parts |
| Precision | ±0.005 mm (±0.0002″) | Fits and assemblies |
| High Precision | ±0.002 mm (±0.00008″) | Critical dimensions |
What Affects Machining Tolerance?
- Material: Aluminum machines tighter than stainless steel
- Part geometry: Thin walls may deflect during machining
- Feature size: Smaller features can hold tighter tolerances
- Machine capability: 5-axis machines offer better accuracy
Our Quality Guarantee
All parts are inspected with calibrated equipment. If any dimension is out of tolerance, we will rework or replace at no cost.
Need tight tolerance parts? Contact us for a quote!



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