Place of origin:
China
Supply Ability:
5000 Set/ Sets per Month
for different rock layers.
We have regular size inventory year-round: 75 #, 91 #, 110 #, 130 #, 150 #, 171 #, 219 #, larger sizes that our company can customize.
Main use:
Used for core drilling in geology, coalfields, metallurgy, building materials, and mines;Used for rock core engineering survey drilling in highways, railways, bridges, building construction, water and electricity, etc;Used for
[Related Keywords : Diamond Drill Bits, Diamond Core Drill Bit, Diamond Reamed Shell]