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Threaded button bits

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Threaded button bits

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LHS Rock Tools Co., Ltd


  Threaded drill bits are also known as button bits which connect with threaded drill rods by threads to transfer impact power and rotation torque for breaking rocks. The threaded drill bits, working with hydraulic drill rigs and hydraulic jumbos, have main threads of R22,R25,R28,R32,TR35,T38,T45,T51,ST58,ST68,EL60,EL68 and T60, which are widely used in open-pit mining, underground mining, tunneling, anchoring, furnace tapping, tunnel construction, hydropower engineering, quarrying and construction.

  In 1991, LHS firstly in China imported from Europe thermal insert technology of button bits, which fully drove and increased the quality level of Chinese button bits. Now, LHS ranks the first in the industry in China regarding quality, specification varieties, production capacity, sales volume and export volume.

LHS Rock Tools Co., Ltd

LHS Rock Tools Co., Ltd
Threaded Button Bits
Thread  Type  R22 R23 R25 R28 R32 R35 R38 TR28 TR32 TR35
 T38 T45 T51
 ST58 T60 ST68 EL68 EL60
Diameter of Bit  28-165mm (R Threads)
 64-178mm (T Threads)
 89-152mm (Other Threads)
Skirt Type  Retrac, Reinforced, Standard
Face  Design  Flat Face , Drop Center Convex 
Button Shape  Concinal Semi Ballsitic Parabolic Full-Spherical , Hemispherical

 

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Threaded drilling

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