Premium BT30 And BT40 Metric FMB Milling Tool Handle With Planer Precision For CNC, Step Profiling, Grooving Setup, Ultra Accurate 0.005mm Tolerance For Serious Machining Jobs Today

High precision BT30 BT40 metric milling tool handle unit
✔️ Precision engineering 0.005mm body tolerance for CNC machining

This FMB tool holder fits standard CNC setups for serious machining jobs today.

✅ Metal body hardness reaches HRC56 for wear resistance
✅ Carburizing depth stays over 0.8mm for stability
✅ Works with various collets for different sizes

💡 Why select a precise metal mill tool holder for heavy work?
Selecting stable parts prevents vibration so your cuts stay clean.
- Reduces deflection during deep groove passes
- Maintains profile geometry under high load
- Saves time by holding alignment strictly
- Boosts productivity on complex profiles