Core Barrel with Roller Bit

https://www.jztgpiling.com/CORE-BARREL/Core-Barrel-with-Roller-Bit.html

Flat Rock Auger

https://www.jztgpiling.com/AUGERS/Flat-Rock-Auger.html

DRILL BITS

Drilling teeth are the indispensable part of rotary drilling bucket tools, core barrels and augers. There are many types of drill bits, eg: Tungsten Carbide Bullet Teeth ( b47k series), C31, Soil Teeth, Flat Teeth, Pilot Bits, Roller Bits, Weld-on Bl...

https://www.jztgpiling.com/DRILL-BITS.html