Product Name: Coulping Sleeves
Price: US$
Detail: The following is our company’s products list/range :
Various types of (Air-leg)rock drill(YT23/23D/19A/24/27/28)etc,
Rock drilling machine,down-the-hole driller,
Rock Drilling Tools for Quarrying, Mining, Tunneling,
Chisel bits(tungsten,carbide),
Cross bits(??type bits&”X?type bits,)
Button bits(with different buttons, flushing holes on top&side)
Threaded Bits (Cross & Button Type),
Tapered Drilling Rods, Tapered Bits (Chisel, Cross & Button Type)
Thread extension drill rods,
Tapered drill rod,
Integal drill rods/steels,
Extesion rod ,
Shank adapter ,
Hex hollow drill steel bar/rod,
Mid-hollow rock drill steel bar,
Threaded coupling sleeves,
Bits and adapter coupling,
Expanding hole drill equipment ,
Coal cutter drilling tools,

If interested,kindly pls let us know.Detailed specification and photoes are available upon request.Besides,any special sizes you need we could make it according to your requirements.