GST Georgia Superabrasive Tooling Georgia Super Abrasive Tooling manufactures toolholders and inserts specifically designed for the removal of hard metals in the manufacturing process.   CBN Machining Applications Applicable for the machining of grey cast irons, as cast and chilled conditions, NiHard (White Iron) 450Bhn to 750Bhn and hard turning for tool steels, 45Rc to 65Rc.     CBN Recycling Reduce your CBN insert costs by as much as 60% over new inserts with our resharpening and downsizing service.       Toolholder Systems Toolholders are available in either right or left orientations. All Toolholders accept all cartridges styles and insert shapes.       Cartridge Styles To change toolholder style, just change the cartridge – one screw.          New Inserts CBN & PCD available in all shapes and sizes.                                                    Heat Treated Tool Steel                    Heat Treated Gear                            63- Rc Shaft Demo Video                    62-Rc Demo Video