Our drilling rods are all manufactured by CNC machines. They're made of high quality alloy steel with heat-treated.

Decription	OD(mm)	ID(mm)	Weight(Kg/3m)
Rod, BQ 3.0 m  Enhanced	Φ55.60	Φ46	18.00
Rod, NQ 3.0 m  Enhanced	Φ70.15	Φ60	23.40
Rod, HQ 3.0 m  Enhanced	Φ89	Φ77.80	35.50
Rod, PQ 3.0 m  Enhanced	Φ114.3	Φ101.6	52.60

  

Our drill rods are all manufactured by CNC machines. They're made of high quality alloy steel(XJY850, the best steel in China now) with heat-treated. We also can produce various sizes of casing tubes.