1、STABLE AND IMPACT RESISTANT: Collet after high frequency quenching treatment, possess low temperature impact toughness and good clamping performance, clamping is more stable 2、APPLICABLE SCENARIO: Spring collet clamping force is tight, has large elasticity, used for machining center, fine engraving machine, a variety of engraving machine ER spindle 3、WEAR RESISTANCE AND HIGH ACCURACY: Chuck adopt grinding process, has high wear resistance and heat resistance, better external surface fit, excellent accuracy 4、DURABLE WITHOUT DEFORMATION: CNC collet adopts martensitic structure heat treatment method to avoid deformation and cracking, has long service time 5、EASY TO USE: Milling lathe tool adopts cylindrical lathe for water stop and cold water inside the milling cutter, which can directly cool the milling cutter during processing to ensure the stability of the blade