Sealed Bearing Rock Roller Bits Using High Mn Steel For Various Formation Click here for catalogueTCI DRILL BIT.pdf Medium to Medium-Hard Formation .....
Sealed Bearing Rock Roller Bits Using High Mn Steel For Various Formation Click here for catalogueTCI DRILL BIT.pdf Medium to Medium-Hard Formation .....
With API Thread Connection Rock Roller Bits For Soft-Medium Formation Drilling Click here for catalogueTCI DRILL BIT.pdf Soft to Medium-Soft Formation ...
With API Thread Connection Rock Roller Bits For Soft-Medium Formation Drilling Click here for catalogueTCI DRILL BIT.pdf Soft to Medium-Soft Formation ...