IADC 532
Size 7 7/8 in (200 mm )
Type 7 7/8 K532
Drilling Applications
- Drilling operations in coal mine, copper mine.
- Applicable for drilling soft formations with low compressive strength, such as shale,medium shale, limestone, marble with gneiss , etc.
Design Specifications
Bearing type Roller-Ball-Roller-Thrust button
Cutting structure Tungsten Carbide Inserts:
- Inner Rows and Nose Rows Conical Inserts
- Gauge Rows wedge Inserts
Product weight 34 kgs
Pin connection 4 1/2 API Reg
Operating Parameters
Weight on Bit 8000~40000 lbs
Rotary Speed 50-120 RPM
Drilling Applications
- Drilling operations in open coal mine, copper mine and iron 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 Spherical Inserts
Product weight 21 kgs
Pin connection 3 1/2 API Reg
Operating Parameters
Weight on Bit 15000-40000lbs (WOB)
Rotary Speed 50~100 RPM
