Electroplated diamond drill bit (Double pipe )
...
Specifications
High Penetration Rates, Long Bit Life...Electroplated diamond drill bit and hotpressed diamond drill bit.
DIYFIA combines long professional geo-exploration equipments experience with new technology in drilling tools, Changtan diamond drill bits has various dimension for different drilling processes, including but not limited to diamond core drill, wire-line core drill.
Audited Supplier 
){kind=link}