High Efficiency Drill Rod, Brand Name : Ruilong

We offer High Efficiency Drill Rod.
Craft: prestressed wire winding and welding on the basis of merits from German craft.
Material: high pressure seamless alloy pipe (rod body); high wear-resistant T-shape strip steel (spiral); medium carbon alloy steel which has been thermal refined in vacuum (connector).
Connection type between rods: spring pin with U-shape or semi-ring retaining pin, which guarantees the max torque of the rod.
Matching: portable or hand-held drilling machine
Feature: light, quick connection, quick slagging, high efficiency.
Application: water & gas exploration of coal seam or similar stratum. Rods with drainage hole and without are available.