Product specification Product specification Model: GD-430 Voltage: 220V Frequency: 50Hz / 60Hz Power: 300W Grinding range: Φ3-Φ30mm Tip angle (tip angle): 90°-145° Chuck specification: ER20/ER40 Product weight: 31KG Speed: 4000 R.P.M/min Grinding wheel: CBN230# (special for white steel drill) (optional for SDC tungsten steel) Please note: chuck ER27 and chuck ER29 are not often used, so we do not produce them, they are not included in the order, because ER27 can be replaced by ER28, and ER29 can be replaced by ER30. If you must require ER27 and ER29, this is required You purchase separately, you need to customize the purchase separately
