Place of Origin
Henan, China
Customized support
OEM, ODM
Model Number
DKQX 75-133(mm)
Name
NQ hole opener reaming shell
Application
Coal mining,geologic prospecting etc.
Meterial
Diamond & sintered carbide
Dimension
AQ, BQ, NQ, HQ, PQ
Color
All color is availble
Drill bit Type
Direct sale 140mm diamond core drilling bits