5" / 6" T45 127mm Tungsten Drill Bits Milling Drill Bits For Making Large Cut Holes Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and ... Leia mais
12 Degrees Tapered Tungsten Drill Bits Diameter 38mm For Rock Drilling Taper button bit is the most popular tapered rock drill bits with a wide selection of head diameters from 26mm to 48mm. With carbide ... Leia mais
Retrac Button Tungsten Drill Bit T38 115mm Diameter With Oblique Body For Quarrying Top hammer Drill bits The top hammer rock drilling bit is mainly used for blasting hole excavation of open pit rock drilling, ... Leia mais
R32 Threaded Tungsten Carbide Button Drill Bit Description Threaded drill bits include general,retrac and reaming three series,with stronger button-fixing ability,longer service life,better wear-resistance and ... Leia mais
Dome Reaming Drill Bit , T38 / T45 Tungsten Carbide Drill Bits Reaming bits is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in ... Leia mais
Mining Rock Drill Bits Threaded Tungsten Carbide Button Bit With High technology Center Top Hammer Bit Reaming bits is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled ... Leia mais
76mm T51 / T38 Reaming Drill Bit Hard Rock Mining Spare Parts Describtion Reaming rock bit applicable to reaming for first-grade and second-grade larger-diameter hole. It can reduce the sectional area between ... Leia mais
High Grade Tungsten Carbide R32 12 Degree Reaming Drill Bit Description Reaming bits were widely used in quarrying or mining for blast hole drilling, with pilot adaptors, the drilling direction can be ensured ... Leia mais
Tunneling Reaming Drill Bit T45 / T38 / R32 76mm - 127mm Diameter Forging Type Reaming bits is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the ... Leia mais