Retract button bits are mainly used in loose rock mass with relatively broken rock. The retrac skirt design can assist inretrieving the drill tool easier, reducing the phenomenon of bit stuck and buried, and help improve the straightness of the borehole.

TF DRILLS produces all our thread button bit by premium steel, carbide by advanced technology, which guarantees longer lifespan. We are able to supply a full range of thread button bits from diameters 35mm to 200mm with the therads: R25, R28, R32,R38,T38,T45,T51,ST58,ST68,GT60,EL60 with different designs accoding to

customers' requirement.

For accurate quotation, please tell us the information: bit diameter,thread, skirt type(standard or reract), button quantity, button size, thread.   We are always here to help you to minimize your drilling cost.

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