Down The Hole(DTH) drill pipes

Cold draw seamless pipe result in the accurate size and the straightness of the body of pipes
High-quality materials extend the lifespan of the DTH drill pipes
Carburizing and nitriding treatments make the thread connectors more durable and easier screwing and unscrewing
Friction welding on both joints

Specifications：

Diameters: 76mm,89mm, 102mm, 114mm, 127mm, 140mm and son on;

Thread sizes: API2 3/8” Reg, API2 7/8” Reg, API3 1/2” Reg, API4 1/2” Reg, Cubex24, Cubex28, ect

Lengtgh:1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm

Customized services:

Customized logo (MOQ: single order amount in FOB USD10,000)

Customized packing (MOQ: single order amount in FOB USD50,000)