T51 127MM Retractable Button Drill Bit , Retract Rock Drilling Bit Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive ... Подробнее
Diameter 80mm - 105mm Dth Drill Bits Rock Drilling Bits Low Air Pressure In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is ... Подробнее
Straigh Hole Application Drop Center Retractable Drill Bit Button Rock Drilling Bits Description Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between ... Подробнее
T45 CNC Retractable Ballistic Button Rock Drill Bits For Mining And Quarry Drilling Description This type of bit is well known for its wear resistance on soft to medium-hard rock formations (between 55 Mpa to ... Подробнее
Hard Rock 7 Degree Small Rock Drill Bits Tapered Drilling Bit Tapered Button Bits are widely applied in small-hole drilling, such as stone quarrying, mining, tunnel work and construction. It is for drilling ... Подробнее
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 ... Подробнее
T45 89mm Rock Drilling Tools Retract Thread Button Rock Drill Bits T45 89mm button drill bits belong to TOP hammer equipment,The button drill bits aren't made of alloy steels but the best carbides made in China... Подробнее
Top hammer drilling tools bits / T45 retrac thread button rock drill bit 76mm Description for button rock drill bits : 1.Mterial: drill bit made from tugestun carbide , which is same as BORT LONGYEAR. 2.Type: ... Подробнее
R25 / T51 Button Drill Bit Diameter 64 - 152mm Ballistic Rock Drilling Bits Tungsten carbide drill rock bit 1) tungsten carbide drill rock bit is made with best quality alloy steel bar and tungsten carbide ... Подробнее
195-305 mm DTH high air drill bits 8inch with the model DHD380,COP84,M80,SD8,QL80 8' High Air Pressure DTH Button Bit Specification 8' High Air Pressure DTH Bits DTH Button Bit Diameter Buttons and Size (mm) ... Подробнее