Coupling sleeves, 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,ensuringtheends touch for efficient energy transmission. Couplings are also used to connectseveralrodstoeachotherin the same way. Couplings have a middle stop to prevent over-threadingontothedrillrod. We can manufactures semi-bridge, full bridge coupling sleeves for the percussive tools.
Main Products: 1-12 inch middle-low/high air pressure DTH hammers & bits Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling Eccentric overburden drilling Equipment Hole opener bit Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45,T51, ST58,GT60) Extension Rod, M/F Rod, M/m Rod, Drift Rod, Shank adapter, coupling sleeves and all kinds of adapters
Advantages: Compared with the oversea brands, our advantages are bellowing: a. Our products can match over 95% against the original products b. Price are competitive against the famous brands and best quality against the small factory
About Us: 1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years. 2. We have advanced technology and equipment. 3. Our technician has more than 13 year's professional working experience. 4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
Audited Supplier 
){kind=link}