Steel body 8 1/2 inches (215.9mm) S136
DIN, JIS, AISI, API
Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling
Provided
Provided
Sealed Journal Bearing Bit
Available
Steel Body
Available
Wear Resistant, High Performance
Oil/Gas/Geothermal/Mining/Geological Survey
Far Eastern Drilling
Plywood Case
66*38*36cm