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Civil Construction

Civil Construction

Subs - Flushing Bells - Balance Rods

Subs

Cross-over Sub

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.

Subs

Casing Saver Sub

Subs

Drill Pipe Saver Sub

Diverter

Flushing Bell