North Houston Machine, Inc. (NHM) products

Simplified design to reduce cost and has an improved design side inlet swivel. Lightweight inline swivel with bearings at either end for alignment.

The 300 Inline Swivel is a simplified design that has eliminated shaft run-out, extending the packing life and making repacking easier with the advantages of less down time and a lower cost.

This is a medium-size side inlet swivel for which it is not necessary to have very large swivels with small threads. Upper connections are limited in sizes no larger the 2 3/8 API IF. Any smaller thread or hex can be furnished.

Simplified design–one piece outer housing to eliminate misalignment, extending the packing and stem life.

This unit is equipped with a lower bearing that allows the driller to drill horizontally without wearing out the bottom packing. Simplified design – one-piece outer housing to eliminate misalignment, extending the packing and stem life.

Large circulating chamfer to prevent clogging. Piloted fits to insure alignment. Custom manufactured to meet customer requirements.

6 5/8″ Full hole or as specified by customer. 6″ ID with flange lower connection or weld sub. Weight approximately 675 LBS.

2J-NHM is made for use on light hydraulic rigs and shot holes in jungles and swamps. Household water wells, and any small drilling rigs.

The Economy Top Head Drive Swivel. A simplified design to adapt to small hydraulic rigs and offers an economical way to install a top head drive.