Internal Grinding & Milling Spindles
Engineered for high-frequency operations, our internal grinding spindles run from 9,000 to 150,000 RPM. Precision angular contact bearings deliver maximum thermal stability and minimal vibration, from PCB micro drilling through to engine block roughing.
Specifications
| Model | Max Speed (RPM) | Power (kW) | Interface / Bearing | Positioning |
|---|---|---|---|---|
| 80KG150Q1 | 150,000 | 1 | M6x1 / 7000 | Micro machining |
| 100KG120Q1.5 | 120,000 | 1.5 | M6x1 / 7001 | Micro machining, higher power |
| 120KG60Q5Popular | 60,000 | 5 | M14x1.5 / 7005 | General precision |
| 170KG09Z15 | 9,000 | 15 | M36x2 / 7014x4 | Internal grinding |
| 170KG18Q29 | 18,000 | 34 | M36x2 / 7014x4 | Heavy cutting |
Model Detail
80KG150Q1
150,000 RPM · 1 kWDesigned for 0.1–0.5 mm micro holes. PCBs, dental implants and fuel injectors are its core territory.
100KG120Q1.5
120,000 RPM · 1.5 kW50% more power than the 80 series. Handles stainless steel orthopaedic screws and features from 1–2 mm.
120KG60Q5
60,000 RPM · 5 kWOur best seller. Aluminium, composites and small moulds — the best balance of speed and power.
170KG09Z15
9,000 RPM · 15 kWDedicated internal grinder. With CBN wheels, hardened bearing rings achieve roundness below 2 microns.
170KG18Q29
18,000 RPM · 34 kW34 kW across four bearings. Built for cast iron, steel and heavy cuts.
Tell Us Your Application
Send us the workpiece, the material and the tolerance. Our engineers will come back with a specific model, not a catalogue.
- Engineering-led support
- Drawings welcome
- Reply within one business day