Rotary Percussive Subs are intended to take the brunt of the harsh drilling conditions that are found on the job site. Our Subs are manufactured from 4140 Q&T Alloy, a hardness of 28-32 RC can be found on each one. Threaded on CNC Lathes and heat treated to maximize their strength and durability – Save your Drill String, use DPI Sub Savers! In addition to subs, we manufacture Flushing Bells and Balance Rods per your specification.
Cross Over Sub
Casing Saver Sub
Drill Pipe Saver Sub
About Drill Pipe, Inc
Drill Pipe Inc. (DPI) is based just west of Minneapolis, Minnesota in Winsted, Minnesota and is an international manufacturer of quality drill tools. With over 60 years of experience, Drill Pipe Inc. has an experienced and dedicated team that has leveraged their experience and expertise, and combined it with the latest manufacturing technology to produce the industry’s highest quality in-hole tools.