الوصف

CL-coil also could improve thread’s stress state and to be spring connection, remove the errors of pitch and thread angle, protect the thread avoiding to be broken, and extend working time.
CL-coil prevents the thread rusting, trip with perfect corrosion, high heat and abrasion resistant in many kinds of environments. CL-coil also could repair the internal thread.
CL-coil Precision Type: 6H, 5H, and 4H.