SDUCR Solid Carbide Boring Bar. Compatible inserts: DCMT, DCMN diamond 55° finishing inserts, etc. Mainly used for internal hole fine boring, chamfering, internal face turning, step hole finishing and slight finishing to remove burrs. It can machine materials such as steel, stainless steel, cast iron, non-ferrous metals and titanium alloy. Suitable for high-precision internal hole processing fields such as precision small/medium holes and slender deep holes, and applicable to CNC lathes, turning centers, Swiss-type lathes and precision boring machines.