Sub-drill manufacture a full range of Pump-in Subs, Circulating Swedges and Water Bushings in a range of sizes to suit specific customer requirements.

All thread types and end connections are available, including API, NOV Grant Prideco, VAM, Tenaris, Weco etc to meet individual client needs.

Sub-drill can manufacture the full range of Pump-in Subs, Circulating Swedges and Water Bushings to any specification where requested, and to any industry standards as required.