4" 5" T38 Dome Reaming Drill Bit Rock Drilling Tools 102mm - 107mm Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to ... Διαβάστε περισσότερα
ST68 CNC Milling Dome Large Hole Cutting Drill Bit Rock Drilling Tools Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed ... Διαβάστε περισσότερα
ST58 152mm 6 Inch Ballistic Buttons Threaded Drill Bits For Drifting / Tunneling 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
Description This type of bit 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 combination with a pilot adapter. • Widely used in ... Διαβάστε περισσότερα
Description This type of bit 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 combination with a pilot adapter. • Widely used in ... Διαβάστε περισσότερα
Description This type of bit 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 combination with a pilot adapter. • Widely used in ... Διαβάστε περισσότερα
T38 4 Inch / 5 Inch Tungsten Carbide Hard Rock Mining Threaded Button Drill Bit Description The thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, ... Διαβάστε περισσότερα
Mining Tungsten Carbide Retrac Drill Bit , Durable Button Drill 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 ... Διαβάστε περισσότερα
Tungsten Carbide Rock DTH Drill Bits , DTH Hammers And Button Bits In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in ... Διαβάστε περισσότερα
Atlas Copco Type Tungsten Carbide Tipped Water Well DTH Rock Drill Bits In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is ... Διαβάστε περισσότερα