Thread coupling sleeve
After special & advanced heat treatment technology, Jinquan's thread coupling sleeves ensure the ends touch for efficient energy transmission, suitable for model powerful top hammers and drifter from Atlas Copco, Sandvik, Furukawa and Boart Longyear etc.
(1) Name: drill steel rod coupling sleeves.
(2) Length: 190mm.
(3) Type: R25, R28, R32, R38, T38, T45, T51.
(4) Type: full-bridge, semi-bridge, same diameter etc.
(5) Productivity: 50000pcs/ month.
(6) Package: Ply-wooden cases or in cartons.
T38 coupling sleeves have different lengths according to various applications, and are mainly used to transmit impact energy into the drill string.