Great Rock Reamer Hole Opener Robot Hard Facing

GREAT DRILL customized Rock reamers size from 10'' to 72''.

Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)

Overview Roller bitGREAT has customized manufacture several types of roller bit . It is including 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The 90 ° U-shaped Rol...

Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..