Carbide Insert, Holder, U Drill manufacturer / supplier in China, offering a Regular Triangular Four-Corner Blade Cnmg/Snmg CNC Inner Hole Ceramic Turning Inserts, 35-Degree Rhombic CNC Inserts Vnmg1604 CNC Rhombic Inner Hole Ceramic Turning Inserts, CNC Peach-Shaped Inner Hole Ceramic Turning Inserts Wnmg08 Slotted Peach-Shaped Blade and so on.