coal mine auger spiral twist drill rod

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Brief introduction: Manufacturer of drill rod,twist drill rod,taper drill rod 2.high quality of light weight, 3.rapid connection,efficient Main specification: Appliance: The series of products in Germany advanced production technology, on the basis of the integrationof our company and the newest research achievements. 2.Drill rod body with high pressure seamless alloy steel pipe, spiral blade choose T steel with high abrasion resistance, the prestressed winding welding and into. 3.High quality carbon in the alloy steel are used for tool joint is air conditioning quality processing, high pressure molding. 4.This series product the square or hexagonal fast connection, when used by the spring pin automatic lock, with U or half ring out of stock, the optimal torque of drill pipe.

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Jining Hengwang Mining Co.,LTD.

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