We are offering drill pipe.pdc cutter for oil well drilling bits , coalfield mining drilling bits. Pipebody OD 2-38, 3-12, 4, 4-12, 5, 5-12, 6-58Grade E, X, G, S, Upset Type EU, IEU, IUConnection NC26, NC31, NC38, NC40, NC46, NC50, NC50 Double Pin Subs, Landing Nipples, Stabbing Guides, Tricone Rock Bits, Swage Nipples, Turbo Pups, Circulating Swages. PDC bits, Couplings, Below Joint, Threaded & Seamless Pipe, Ring, Joint Gasket, Flow Couplings, Bolts and Nuts, But weld fittings, Pipe Tee elbows, Blast Joints, Seamless or Welded Steel Elbow, Pipe elbow, Stabilizer , Handling Plugs, Flange, Drill collars, hose, Coupling.