Great Rock Reamer Hole Opener Quality Control

Overview Starry Sky Roller BitGREAT has customized manufacture 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The Roller bit mainly used for Rock reamer (Hole opener) ...

Tricone bit is an important tool for oil drilling.

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

Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.