Bit Size: 8 1/2inch (215.9mm)
IADC Code:M333
Primary Cutter Size:13.44mm
Bit Connection: 4-1/2 API REG
Weight On Bit (KN): 30~120
Rotary Speed (RPM): 50~250
Flow Rate (LPS): 25~35
Make-up Torque (KN.m) : 17.0~18.6
Design Features:
1-Medium hard to hard formation drilling
2-Special Back Rake
3-Double row cutter
4-Gauge Design
5-Strengthen Gauge
6-Back-reaming features
