Stem

HHF is Chinese first factory which developed and mass produced Wear-resistant High Speed Mining Drill Stem.

HHF selects Chinese most famous steel mill as raw materil supplier. Perfect forging, heat treatment, and CNC finished machining generate Chinese Best quality Wear-resistant High Speed Mining Drill Stem.

Up to now, HHF Wear-resistant High Speed Mining Drill Stem have been exported to South Africa, Australia, USA, Canada,Brazil, Peru and India.

HHF has built up a firm relationship with numerous world famous drill machine manufacturers and drill companies.

The High Strength Drill Stem For Mining Equipment is mainly used for Raise Boring.

HHF's production capacity for the High Strength Drill Stem For Mining Equipment is 50 units per month. Usually HHF offer more than 500 units of the High Strength Drill Stem For Mining Equipment per year.

HHF can not only offer standard High Strength Drill Stem For Mining Equipment but also offer customized mining drill tools.

Sizes can be 9" to 16" with standard DI22 connection.