CNC Fine Hole EDM Drill
This CNC fine hole EDM drill is a precision machine for creating small, accurate holes. It utilizes electrical discharges to erode material, enabling intricate shapes with tight tolerances.



Technical Specifications
Product Overview
Precision Fine Hole EDM Drilling
This CNC Fine Hole EDM Drill is engineered for high-precision material erosion, ideal for creating intricate holes in components like filter plates, motor blades, and hydraulic circuits. Featuring advanced control systems and robust mechanical components like ball screws and linear scales, it ensures consistent accuracy and rigidity. The machine is also highly effective for removing broken drill heads or awls from workpieces without damaging the surrounding hole threads.
Key Features
Core Capabilities
- Two CPU control system (DK series)
- Automatic 3-axis positioning (X, Y, Z for DK series)
- X/Y Ball screw drive for high rigidity
- Linear scale for closed-loop feedback
- Automated drilling for up to 800+ preset holes (DK series)
- Loss ratio setting for precise depth control
- Adapted-control for smooth internal surface finish
Technical Specifications
Model Specifications
| Specification | D703B | DK703-A28 | DK703-A40 |
|---|---|---|---|
| Work table size (mm) | 320×440 | 580×400 | 850×550 |
| X, Y axis travel (mm) | 200×300 | 280×360 | 400×500 |
| Z axis travel (mm) | 250/200 | 300/300 | 300/300 |
| Fluid capacity (L) | 10 | 10×2 | 10×2 |
- Typical Applications
- Wire Hole (WEDM)Spurting Silk HolesFilter/Sieve PlatesMotor Heat DissipationHydraulic CircuitsBroken Tool Removal



