... kinds of semi-rounded shape, or anti-cone angle Universal Grinding Machine YD-M-30C :ModelYD-M-30Cattrition scopeφ2-16mmtip angle0 ... -180ºpowerAC 220V rotational speed5100RPMstandard grinding wheelCBNstandard collet2-16mmweight55Kgpacking size450×350×340mm YD-M-30C ... able to mill, graver, drill, car knife, ball-end cutter grinding. Universal Grinding Machine YD-M-30C