China Rock Drilling Tools Factory Button Bits Manufacturer as a professional coupling sleeves manufacturer and supplier in China, all the coupling sleeves have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent coupling sleeves in our product list, you can also contact us, we can provide customized services.
Jinquan's R25 thread drilling coupling sleeves ensure the ends touch for efficient energy transmission because of special & advanced heat treatment technology, suitable for model powerful top hammers and drifter from Atlas Copco, Sandvik, Furukawa and Boart Longyear etc.
(1) Name: R25 coupling sleeves.
(2) Length: 140mm-235mm.
(3) Type: R25, R28, R32, R38, T38, T45, T51.
(4) Type: full-bridge, semi-bridge, same diameter etc.
Other name is coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to join the adapter to the rod, ensuring the ends touch for efficient energy transmission. Coupling are also used to connect several rods to each other in the same way. Couplings have a middle stop to prevent over-threading on to the drill rod. We can manufactures semi-bridge, full bridge coupling sleeves for the percussive tools.
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.
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.
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