Leadpoint offering High Precision CNC machining, EDM, WEDM,
Tooling & Automation
*Key equipment purchasing from Japan and European
*Professional project management and communication skills
*European & Japanese quality standard with chinese prices
*Short lead time and Customer oriented
*High Precision CNC machining/ EDM/ WEDM/ PG etc
Our production services can help you achieve the tightest
tolerances required for non-standard custom CNC machined parts.
| CNC Machining Tolerances | Linear dimension range（mm) |
| Type | Geometric Characteristics | Symbol | 0.5 – 3 | 3 – 6 | 6 – 30 | 30 – 120 | 120 – 400 | 400 – 1000 |
| Dimension | Length |
| ± 0.01 | ± 0.02 | ± 0.05 |
| Diameter |
| 0.006 | 0.01 | 0.015 | 0.02 | —— |
| Angle |
| ± 0.03 | ± 0.05 | ± 0.15 |
| Form | Straightness |
| 0.003 | 0.005 | 0.01 | 0.02 |
| Flatness |
| 0.001 | 0.003 | 0.01 | 0.03 | 0.05 |
| Circularity |
| 0.001 | 0.002 | 0.005 | 0.01 | —— |
| Cylindricity |
| 0.003 | 0.005 | 0.01 | 0.05 | —— |
| Profile | Profile of a line |
| 0.005 | 0.02 | 0.05 | 0.1 | 0.15 |
| Profile of a surface |
| 0.01 | 0.02 | 0.05 | 0.1 | 0.15 |
| Orientation | Parallelism |
| 0.003 | 0.005 | 0.02 | 0.05 | 0.1 |
| Perpendicularity |
| 0.003 | 0.005 | 0.01 | 0.05 | 0.1 |
| Angularity |
| 0.003 | 0.05 | 0.1 |
| Location | Position |
| 0.01 | 0.02 | 0.05 | 0.1 |
| Concentricity |
| 0.003 | 0.005 | 0.01 | 0.05 | —— |
| Symmetry |
| 0.01 | 0.02 | 0.05 | 0.1 |
| Runout | Circular Runout |
| 0.002 | 0.005 | 0.01 | 0.05 |
| Total Runout |
| 0.003 | 0.005 | 0.01 | 0.05 |
