underground drilling equipment online manufacture

Forging Tungsten Carbide Rock Drill Bits , Hard Rock Jack Hammer Chisel Drill Bits Application Chisel Drill Bit is generally used to drill holes within diameter of 50mm in middle rock by light-duty drills, Like ... Read More

12Tapered High Speed Drill Bits Tungsten Carbide Rock Drilling Application The cross rock drill bit can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock ... Read More

7 Flat Chipways Rock Drill Bits , Taper Chisel Bit To Variety Rock Formations Application Chisel Drill Bit is one of traditional drill bits with long history in the world, due to its simple production process... Read More

Tungsten Carbide Hard Rock Drill Bits , Mining 7 Chisel taper drill bit Stable And Reliable Application Taper Chisel bit is suitable for mining of black metal mines(such as iron mine/ manganese ore), nonferrous ... Read More

7 Customization Tapered Tungsten Carbide High Speed Drill Bits For Rock Drilling Application Tapered Quarry Button Rock Drill Bits 40mm 41mm 45mm With higher strength of tungsten carbide as the body, the bit ... Read More

11 Small hole quarry tunnel bench drilling Button Drill Bit used with hand held rock drills Application Tapered Quarry Button Rock Drill Bits 40mm 41mm 45mm With higher strength of tungsten carbide as the body, ... Read More

5inch Flat Concave Convex Drop Center Bit Face DTH Button Bits for Big Diameter Hole Drilling Application The dth button bits is the tool cutting rock. Jcdrill DTH button bits are made of superior quality alloy ... Read More

High strength high wear resistance carbide water well drilling 6.5' TCI tricone drill bit for hard rock drilling Application Rolling cutter bits, which some may also call roller cone bits or tri-cone bits, have ... Read More

Water Well Drilling Tungsten Carbide Hard Rock 12 Inch Iadc537 TCI Roller Tricone Rock Drill Bits Application TCI Roller Tricone Rock Rolling cutter bits, which some may also call roller cone bits or tri-cone ... Read More

Water Well Drilling Tools TCI Tricone Bit 15 1/2' Application 15 1/2' IADC337 Rock Roller tricone drilling Bits, which some may also call roller cone bits or tri-cone bits, have three cones. Each cone can be ... Read More