76mm - T45 Threaded Button Bits Rock Drilling Tools Tungsten Carbide

Mar 09, 2023
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76mm - T45 Thread Button Bit Rock Drill Tools Tungsten Carbide Description: The threaded drill bit are equipped with the hydraulic drilling jumbo and used for crush rock ,and it is widely used in tunnel construction, large scale mine(open and underground )and large section tunnel advance in metal mine. Application: Threaded Drill Bits cover regular, retrac and reaming types. With stronger button-fixing ability, longer service life, better wear-resistance and impact-resistance
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