We offer rock core barrel. Brand: hengwang models: 42, 50, 63 alias: ground water rod purpose: coring drilling diameter: 42, 50, 63(mm) core drilling connected to the upper bit to accommodate and protect a section of core pipe. when drilling, it also acts as guide the drilling tools. Common core tube is only one seamless steel tube which has a thread on both ends. diameter slightly smaller than the diameter of bit (2-4mm). Single core length is about 3-4.5 meters. in order to prevent the borehole bending can connect several core tube, compose long thick diameter drill tool. In the special formation(such as loose, broken formation)drilling often adopts special core tube, such as double core tube.
Jining, Shandong, China
Write a Review
Vivi (Jining Hengwang Mining Machinery Co.,Ltd)
Share us via
