1、APPLICABLE RANGE: The telescopic tapping rod is widely used in CNC lathe, machining center, tapping machine, drilling machine, milling machine, etc. 2、FINE GRINDING: The tapping rod outer diameter and inner cone are finely ground to eliminate the unbalance allowance and ensure stable turning. 3、LONG ENOUGH: The shank has sufficient length, suitable for deep hole processing, reducing the selection of processing tools and improving efficiency. 4、CEMENTED CARBIDE: The lathe tapping rod is made of cemented carbide, with hardening and quenching to ensure high hardness and good impact resistance. 5、GOOD PERFORMANCE: With fine workmanship, the tapping rod has high concentricity, good stability, strong clamping force, easy to install and disassemble.