■ Available roller cone with sealed bearing or Metal sealed bearing
■Allour hole openers and rock reamers can be suppliedwith a widerange of cutters to deal withsoft rock ike limestone or sandstone,right up to hard formation bits capable of dilling in Granite and Basalt.
■ Correct cutterselection allows higher productivity and toolife.The nozzles can bedesigned according to different reamer size ondifferent drilling conditions
■Our rock reamercan be custom build with 3,4,5 or more rollers,depend onyour pullback power and the diameter of the pipe.Our Hole openers are generally fitted with APl threads ,IF,FH,etc










评价
目前还没有评价