Collet, Collet Chuck manufacturer / supplier in China, offering 4-Jaw Self Centering Chuck K12-200/250/130/160/200 /320, DIN6499b Collets Set Er32 (3-20mm) 18PCS Spring Collets for CNC Milling Machine, CNC Tool Er16 / Er20 / Er25 / Er32 / Er40 Erh Spring Steel Sealed Coolant Collets Oil Hole Type and so on.