IADC 632
Size 12 1/4 in (311 mm )
Type 12 1/4 K632
Drilling Applications
- Drilling operations in iron mine and copper mine.
-Applicable for drilling medium hard formation with high compressive strength and high abrasiveness, such as limestone, hard shale, dolomite and taconite etc.
Design Specifications
Bearing type Roller-Ball-Roller-Thrust button
Cutting structure Tungsten Carbide Inserts
Inner Rows and Nose Rows Conical Inserts Gauge Rows Conical Inserts
Product weight 103 kgs
Pin connection 6 5/8 API Reg
Operating Parameters
Weight on Bit 25000~75000 lbs (WOB)
Rotary Speed 50~100 RPM
