Specifications
rock drill bits 6 1/2 Inch tricone drill bit1.Good quality and after-sale service
2.for mining, piling, water well drilling
rock drill bits 6 1/2 Inch tricone drill bit
Supply you best quality drill bits, rock drill rig with drill bits, rock bits Inserted Tooth and Milled Tooth Tri-cone Rock Bits
1. Roller Bearing or Journal Sealed Bearing.
2. Used for mining, piling, water well drilling and oil well drilling.
3. Stocks adequate&timely delivery
4. Good quality and after-sale service
Please specify the following items as many as possible in enquiry:
Bit diameter
Bearing type
Drilling formation
Drillig depth
We will be for ur service all the time, pls feel free to contact!