Product Description:
Roller Cutters are now widely used for the construction of large diameter engineering well 1200mm ~ 3500mm with a maximum rolling efficiency to cut all kind of hard rock layers, gravel-cobble layers...etc.
High wear-resistance tooth cutter, extended bearing life, large loading capacity of the Roller Cutters make the drill bits more durable and reliable in use.

Type:
Milled Tooth Roller Cutters are suitable for the rocks which its hardness is inferior to 40 Mpa.

Size Available:
  6" Roller Cutter are generally used for drilling holes 400mm ~ 800mm in diameter and allows a thrust load up to 70 KN.
  8" Roller Cutter are generally used for drilling holes 800mm ~ 1400mm  in diameter and allows a thrust load up to 80 KN.
12" Roller Cutter are generally used for drilling holes 1200mm ~ 3500mm in diameter and allow a thrust load up to 140 KN.
15" Roller Cutter are generally used for drilling holes 1200mm ~ 3500mm in diameter and allow a thrust load up to 140 KN.

Note:
Size and type that are not shown above can be customized according to o your samples drawings or correspondence working conditions you have provided.