RMC100 Circular Dense Permanent Magnetic Chuck chinacoal07 we provide service of enterprise's customs declaration, inspection. Circular Permanent Magnetic Chuck, Circular Magnetic, Round Permanent Magnetic Chuck Product Description Round Permanent Magnetic Chuck (UNI-Chuck-RMR)  Application  It is suitable for holding workpieces for turning on lathe machines and for internal cylindrical grinding machines, and milling machine, etc.  Features  1, All metal top plates-hard wearing brass and steel  2, Extra strong magnetic force and less remaining magnetism  3, While turning magnetic for ON/OFF, the face's accuracy of magnetic force surface doesn't change and can keep high precision processing surface;  4, Coolant and water proof structure  5, Easy to operate handle  6, High performance at a competitive price The permanent-magnetic chuck doesn't need power supply and wil not cause any unexpected accident because of fallure of power supply, therefore, it is being widely used. RMR Series ROUND PERMANENT MAGNETIC CHUCK   Dimension(mm) Weight(kgs) Poles Number Package Packing Quantity   Diamter High Mount  Diameter Mount Screw Mount Depth Net Gross Size(mm) Material RMR100 100 56 50 3xM6 5 3.5 4.5 6 150x150x80 Carton 1 RMR130 130 56 50 3xM6 5 6 7 10 180x180x80 Carton 1 RMR160 160 56 50 6xM6 5 9 10 10 210x210x80 Carton 1 RMR200 200 56 60 8xM6 5 14 15 12 250x250x80 Carton 1