After special & advanced heat treatment technology, Jinquan's T38 T45 T51 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.
Specifications:
(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.