T38 Retractable Drill Bit Normal Retrac Body Ballistic Drop Center Description Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa ... Lire la suite
76mm 89mm 102mm mining drill bits / T38 T45 T51 drill bits for mining Competitive advantages: This type of bit is well known for its wear resistance on medium-hard to hard rock formations Featuring spherical ... Lire la suite
76mm Retractable Drill Bit , drill rock bit drop center type Our Advantages: We have advanced production equipment & talented researchers & technicians & rich experiences in R & D and production. We using the ... Lire la suite
High quality and better price GT60 115mm drop center retrac button bit for solid grey granite retractable drill bit Selling Units: Single item Single package size:18X13X13 cm Single gross weight:8.5 kg ... Lire la suite
GT60 Button Bit and Carbide Drill Bit Dia 115mm for Underground mining Product Product GT60 Button bit Skirt Retrac Buttons 12x10mm,14x9mm Flushing hole No. 3 Weight 9.8KG Color Green (customized according to ... Lire la suite
T38 Ballistic and Spherical Retrac Button Bit Thread 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 strength). ... Lire la suite
Middle - High Pressure DTH Drill Bits Stone Drilling Bits 3 Hole Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston ... Lire la suite
Industrial ST68 Dome Reaming Drill Bit Stone Drill Bits With Spherical Buttons Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then ... Lire la suite
Mining Top Hammer Drilling Carbide Thread Type T38 T45 T51 ST58 ST68 Drill Bits Describtion Advantages of Sinodrlls top hammer: 1.Top quality alloy steel; 2.Best element six carbides and Timken steel; 3.Hot... Lire la suite