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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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, ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα
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 ... Διαβάστε περισσότερα