Kohinoor Machine Tools is the manufacturer of Precision Surface Grinding Machines in Faridabad, Haryana, India. MACHINE SHOP TIPS #147 Grinding the Jaws on a 3-Jaw Chuck tubalcain - Duration: 24:06. mrpete222 Cordless Tools, Drills, Circular Saws, Jig Saws, Planers, Hammers, Grinders, Sanders, Woodworking machines, Garden Tools, Chain Saws and ...