1、Applicable: Collet chuck is suitable for all kinds of grinding machine clamping grinding device, suitable for repairing and grinding tires. 2、High Carbon Steel: CNC spring collet chuck is made of high carbon steel material, robust and durable, stable performance and good convenience. 3、4 Jaw: The CNC lathe spring collet chuck four jaw construction provides good contact and a more powerful grip with the bit or burr. 4、Wide Use: 4 jaw lathe spring collet chuck is widely used in machining centers, ordinary grinding machines, CNC grinding machines, engraving machines, high speed machines and other processing. 5、Simple Installation: These lathe spring collet chucks are well designed and easy to install and disassemble, and can directly replace the old or damaged parts to obtain higher strength.