Showing all 7 results

HT60((GT60/T60/EL60) Thread button bit 92/102/115/127/140mm standard/retract

HT60(GT60/T60/EL60) is the most widely used drill bit for underground drifting.  open-pit bench drilling . It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: HT60(GT60/T60/EL60) Diameter: 92-152mm Head shape: flat face/dome/drop center Body:Retract/standard button:spherical,ballistic ,pike

R25 Thread button bit 33/38/41/43/45mm standard/retract

R25 is the most widely used drill bit for underground drifting. It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: R25 Diameter: 33-45mm Head shape: flat face Body:Retract/standard button:l,ballistic ,pike

R28 Thread button bit 38/41/43/45/51mm standard/retract

R28 is the most widely used drill bit for underground drifting. It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: R28 Diameter: 38-51mm Head shape: flat face Body:Retract/standard button:l,ballistic ,pike

R32 Thread button bit 43/45/48/51mm

R32 is the most widely used drill bit for underground drifting. It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: R32 Diameter: 43-127mm Head shape: flat face, pilot ,dome button:spherical,ballistic ,pike

T38 Thread button bit 55/64/76/89/102mm standard/retract

T38 is the most widely used drill bit for underground drifting.  open-pit bench drilling . It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: T38 Diameter: 55-127mm Head shape: flat face/dome/drop center Body:Retract/standard button:spherical,ballistic ,pike

T45 Thread button bit 70 /89/102/115/127/140mm/ standard/retract

T45 is the most widely used drill bit for underground drifting.  open-pit bench drilling . It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: T45 Diameter: 70-152mm Head shape: flat face/dome/drop center Body:Retract/standard button:spherical,ballistic ,pike

T51 Thread button bit 89/102/115/127/140mm standard/retract

T51 is the most widely used drill bit for underground drifting.  open-pit bench drilling . It is made of alloy steel and carbide , has wear resistance and corrosion resistance. Different button shapes are used in different rock formation structures, including excavation, hole expansion, etc. Different shaped head structures, Thread: T51 Diameter: 89-152mm Head shape: flat face/dome/drop center Body:Retract/standard button:spherical,ballistic ,pike