Description of button bits
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Threaded button bits are most popular drilling tools for customers worldwide. Like threaded cross bits, button bits also have cylinder type or retrac type, with the thread sizes of R22, R25, R28, R32, R38, T38, T45 or T51,etc. The diameters range from 38mm to 152mm. Our threaded button bits are hot pressed. For button bits, hot press is one of the advanced and impressive production technologies across the globe. Additionally, bodies of drill bits are forged from high quality alloy steels. In order to suit different drilling application in civil engineering, quarrying or road building, we have different face, flushing hole, hole opener, buttons shapes design to meet customers' request.
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