... : 1.precise, easy operation,fast, long service life 2.Taiwan diamond wheel, can be secondary re-use 3. CE Screw Tap Grinder ... of expense for purchasing blade annually.2. Send you Taiwan diamond wheel, can be secondary re-used, with accurate angle and long ... :Tap diameter:M5-M18Power: AC220V/180WSpeed: 5300RPMPoint angle: 5°-30°Diamond grinding wheel: CBN or SDCStandard collets:Φ5, Φ7, Φ8, Φ9, Φ13 ...