Miumaeov 5PCS BT30 ER16 2.76"/70mm Collet Chuck Tool Holder 12000RMP For CNC Drilling Milling Machine

High Precision Its shank type is BT30, the collet type is ER16 and its drawbar thread is M12. It has an accuracy of 0.003-0.005 mm. So it can do the holding work precisely under the right usage. Long Service Life Each chuck is made of high-quality hard Cr40. The surface polishing treatment also allows it to be more anti-rust. So it has a long service life, you can use it with confidence. Stable Holding The chuck offers stronger holding and reduces the vibration of the tool. So it can hold the clamp drills, reamers, end mills or taps tightly and stably. Widely Application This product is widely used in the industrial field, it can be used for clamping drills, reamers, end mills, taps and much more