Retract Thread Button Bits

With the top quality of alloy steels imported from USA and the best carbides made in China, we produce all retract threaded button bits by hot press technology.

SINODRILLS Retract Threaded Button Bits

With the top quality of alloy steels imported from USA and the best carbides made in China, we produce all threaded button bits by hot press technology.



Parameters

• Thread size: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60;

• Head diameters: 51mm ~ 152mm;

• Face designs; flat face, drop center, uni-face;



Features

• Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;

• Reliability ensured by premium drill bit materials and premium alloy button;

• Different types designed for different drilling scenarios and rock conditions;

• High speed and drilling efficiency;

• Cost-effective, good performance with reasonable price.



Applications

Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.




Flat front:

For drilling in medium to hard and abrasive rock




Drop center:

For drilling in medium hard, with maximum hole deviation control.





Retract skirt:

For drilling in loose, broken or fissured rock where it is difficult to retract the drill string due to the hole collapse.






R32 Thread Button Bits

R32 Thread Button Bits, Retract Skirt

Diameter: 51-64mm






R38/T38 Thread Button Bits

R38/T38 Thread Button Bits, Retract Skirt

Diameter: 64-89mm






T45 Thread Button Bits

T45 Thread Button Bits, Retract Skirt

Diameter: 76-127mm





T51 Thread Button Bits

T51 Thread Button Bits, Retract Skirt

Diameter: 89-127mm








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