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Thread products

Threaded button bits

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 finds extensive application in open-air mining, underground mining, roadway excavation, anchoring engineering, blast furnace tapping, tunnel construction, hydropower projects, quarry operations, and various other construction endeavors.

In 1991, Lianhuashan Drilling Tools pioneered the introduction of European hot insert tooth fixing technology for column tooth drill bits, enabling the production of hydraulic drilling tools equipped with threaded connection ball tooth drill bits. This move comprehensively propelled and elevated the overall quality standard of China's column tooth drill bits. Today, Lianhuashan Drilling Tools continues to lead the industry in China, ranking first in terms of product quality, variety and specifications, production capacity, sales volume, and export volume of column tooth drill heads.

Thread ball-tooth 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 form	Easy return, Enhanced, Standard
Head form	Plane design, convex design, concave design
Alloy tooth shape	Conical gears, Parabolic gears, High-crown gears, Spherical gears

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Telephone:0086-429-4428053 0086-429-4428052

0086-429-4428051 +86-13019978858
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