Common Features In CNC Milling
The table below summarizes the recommended and technically feasible values for the most common features encountered in CNC machined parts.
| Feature | Recommended size | Feasible size | |
|---|---|---|---|
 |
Min. feature size | Ø 2.5 mm | Ø 0.50 mm |
 |
Internal edges | R 8 mm | R 0.25 mm |
 |
Minimum wall thickness | 0.8 mm (for metals) 1.5 mm (for plastics) |
0.5 mm (for metals) 1.0 mm (for plastics) |
 |
Holes | Diameter:standard drill bit sizes Depth: 4 x diameter |
Diameter: Ø 0.5 Depth: 10 x diameter |
 |
Threads | Size: M6 or larger Length: 3 x diameter |
Size: M2 |