As most people know, SBT does not manufacture roller cone bits used in milling plugs. We offer carbide insert mills and PDC mills at present but we may be adding a type of roller cone and a new type of matrix/carbide star mill first quarter 2018.
As most people know, SBT does not manufacture roller cone bits used in milling plugs. We offer carbide insert mills and PDC mills at present but we may be adding a type of roller cone and a new type of matrix/carbide star mill first quarter 2018.