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