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2019
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Threaded connection bit
Threaded connection drill bit is also called threaded connection drill bit, ball tooth drill bit, column tooth drill bit. Threaded connection drill bit is through the drill bit thread and threaded drill rod connection, to achieve the transmission of rock drill impact work and rotating torque to break the rock of a rock drilling tool.
Threaded connection drill bit is also called threaded connection drill bit, ball tooth drill bit, column tooth drill bit. Threaded connection drill bit is through the drill bit thread and threaded drill rod connection, to achieve the transmission of rock drill impact work and rotating torque to break the rock of a rock drilling tool. This kind of rock drilling tool products are mainly used with hydraulic rock drilling jumbo and hydraulic rock drilling rig. The main thread forms areR22,R25,R28,R32,TR32,TR35,T35,T38,T45,T51,ST58,ST68,EL60,EL68,T60Threaded bit products. It is widely used in open pit mining, underground mining, roadway excavation, anchoring engineering, blast furnace opening, tunnel engineering, hydropower engineering, quarrying field and other construction projects.
1991In, Lianhuashan drilling tools were the first to introduce European column tooth drill bit hot-setting and tooth-fixing technology to produce hydraulic drilling tools with threaded connection ball tooth drill bits, thus comprehensively driving and improving the overall quality level of China's column tooth drill bits. At present, the product quality, variety and specification, production capacity, sales volume and export volume of Lianhuashan brazing tool column tooth drill head still rank first in China's industry.
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