BT40 ER Collet Chuck CNC Tool Holder 

BT40 ER Collet Chuck CNC Tool Holder,The commonly used tool handles in NC machining are mainly divided into: drilling tool handle, boring tool handle, milling tool handle, thread tool handle and straight tool handle. Bt Er Collet Chuck Product information: 1. The taper accuracy of tool shank 7:24 is less than AT3 and part of the standard sizes have been inspected in the last time by standard checking fixtures manufactured in Germany. 2. The inner cone is tested by standard pneumometer. The contact area ratio of large end is more than 90%. 3. The inner cone runout of the tool handle body is less than 0.005. 4. The grade of handle threads and nut threads is 4H. The end is open and the end is closed. 5. Bt Collet Chuck Dynamic balance: G6.3 12000/18000 RPM G2.5 15000/20000 RPM can be made according to demand. It can also be customized according to customer demand. 6. Collet Chuck Material: 20CrMnTi. 7. Bt30 Tool Holder Hardness: HRC 56 degree-60 degree. 8.…

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