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Eccentric Overburden Drill bit
Product name
symmetric/concentric overburden casing drilling system drill bit
Color
Black, red, blue, as your request
Application
Water well, construction, mining
Advantage
High Performance
Hammer Type
DHD360,QL60,SD-6
Parts
Guide Device/Pilot Bit/Reamer/Casing shoe
Eccentric casing
with three pieces
Reamed Dia.
206mm/8.11 inch