size:8 1/2 inch (Φ215.9mm)
Advantage:High Speed, Good Quality
Usage:Petreleum, Oil Well Water Drilling
size:8 1/2 inch (215.9mm)
Type:Core Drill Bit,Twist Drill Bit,BI-CENTER MILL,75mm 94mm pdc core bit for coal mining
Color:Golden
size:8 1/2 inch / 215.9mm
Type:Core Drill Bit
Color:Golden
size:8 1/2 inch or 215.9mm
Type:Core Drill Bit
Material:Tungsten Carbide
size:8 1/2 in, 215.9mm
Material:Tungsten Carbide
Certification:ISO&API
size:8 1/2 in / 215.9mm
Material:Tungsten Carbide
Application:Rock Drilling
size:8 1/2 in or 215.9mm
Use:Well Drilling,Coal mining
Color:Request
size:8 1/2in
Color:Request, gold
Certification:ISO9001
size:8 1/2inch, 216mm
Application:Rock Drilling, Oil
Packing:Wooden Case,steel box or as customer need
size:8.5inch, 216mm
Application:Oil
Packing:Wooden Case or as customer need
size:8.5inch / 216mm
Application:Oil, Well Drilling
Material:High Manganese Steel, PDC
size:8.5inch / 216mm
Machine type:Drilling Tools
Certification:ISO9001/API
