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19 drill pipe B19 pipe, also known as B19 bolt, anchor rig used, divided into bottom bolt, anchor rod section, section anchor drill pipe, drill pipe can be used between the connecting sleeve. Distribution of anchor drill. B19 anchor drill pipe and the drill bit connection thread for M14 * 1.5 or square tooth, length 0.4 ~ 2.8 meters, the length and the connection should be specified in the contract. Anchor rod length of 1 meters / root, the user needs to other specifications can be customized. The products of our company, in addition, there are: B22 (air drill for drill, drill pipe (coal) for coal electric drill, wind coal drill) is divided into dry and wet coal coal drill pipe drill pipe, drill pipe Hemp flowers, anchor, anchor drill pipe connection sleeve, tray, anchor drill bit, wind, hollow bolt.