DA61

IADC CODE 6-1-2
Non-sealed Bearing (Air-Cooled)
FORMATION: Medium-soft to medium-hard formations.
CUTTING STRUCTURE: The DA61 has bunt, chisel-shaped inner row teeth with wedge-crested chisel-shaped compacts on the gage rows.
Journal Angle – 36°
Skew Angle – 0°
Gage Row Tooth Shape – Medium Chisel
ROTARY SPEED
70 – 40 RPM