End Mills, Carbide Inserts, Carbide Drills manufacturer / supplier in China, offering 22er/IR ISO/55° /60° CNC Grinding Threaded Tungsten Carbide Insert, Factory Wholesale Carbide Deburring Bits Sets Carbide Rotary Burr Manufacturer Dremel Tool Bits, Solid Carbide Burr Cylinder Shape with Radius End 0616 Tungsten Carbide Rotary Burrs and so on.