BT30-ER32 70 Milling Collet Chucks High-Precision Cnc Tool Holder Milling Lathe Tool

Specification: Product Model: CNC Tool Holder Model: BT30-ER32-70 Use: CNC machining Working length of tool post: about 70mm Nut diameter: about 50mm Spindle taper: 7/24 Speed: 25000U/min Main body accuracy: 0.002-0.005mm Coaxiality: less than 0.005mm Overall clamping accuracy: 0.002-0.005mm Hardness: 52-58HRC Colour: Silver Material: 20CrMnTi Package Contents: 1 x BT30-ER32-70 Milling Tool Holder Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.