T45-210mm Coupling Sleeves:
Thread Type: T45
Coupling sleeves have different lengths according to various applications, and are mainly used to transmit impact energy into the drill string. These drilling tools are of great endurance and dependability.
(1) Type: R25, R28, R32, R38, T38, T45, T51.
(2) Length: 140mm-235mm.
(3) Package: in wooden case or in carton.
(4) Productivity: 50000pcs/month.