5* BT30 ER16 Collet Chuck Tool Holder for CNC Chucks & Holders Drilling Machines

High Precision: Itsshank type is BT30, the collet type is ER16and 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-corrosion and 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. Longer Processing Length: The collet has excellent clamping force, its processing length is 70 mm/76inch. So it can reach a further place to process the items. Wide Applications: This product is widely used in the industrial field, it can be used for clamping drills, reamers, end mills, taps and much more.You may also like Carbide Alloy Rotary Burr Set - 6Pcs 6mm 1/4 Inch Shank 150mm Long Fit Rotary Tool for Woodworking, Drilling, Metal Craving, Engraving, Polishing$$Tools.