Thread post tooth 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. This kind of rock drilling tool product is mainly used in conjunction with hydraulic rock drilling jumbo and hydraulic rock drilling rig. The main thread forms are R22, R25, R28, R32, TR35, T38, T45, T51, ST58, ST68, EL60, EL68 and T60 thread drill bit products. It is widely used in open pit mining, underground mining, roadway excavation, anchoring engineering, blast furnace opening, tunnel engineering, hydropower engineering, quarrying and other construction projects.
 

In 1991, Lianhuashan drilling tools were the first to introduce European column tooth drill bit hot insert tooth fixing technology to produce hydraulic drilling tools with threaded connection ball tooth drill bit, thus comprehensively driving and improving the overall quality level of China's column tooth drill bit. 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.

 

Threaded button bit
Thread  R22 R23 R25 R28 R32 R35 R38 TR28 TR32 TR35
 T38 T45 T51
 ST58 T60 ST68 EL68 EL60
Head diameter 28-165mmR thread (R thread)
65-178mmT thread (T thread)
89-152mm other threads (other threads)
Trouser body form Easy to return to strengthen the standard
Head form Plane design Convex design Concave design
alloy tooth profile Cone Tooth Parabolic Tooth High Crown Ball Tooth

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