DA51

IADC CODE 5-1-2
Non-sealed Bearing (Air-Cooled)

FORMATION: Soft with low compressive strength (shales,  clay, salts, soft limestone).

CUTTING STRUCTURE: The DA51 has sharp, conical inner row inserts with maximum protrusion and shorter wedge-crested chisel-shaped gage row. It’s particularly effective in soft formations.

Journal Angle – 33°
Skew Angle – 5°
Gage Row Tooth Shape – Wedge-crested chisel

ROTARY SPEED
70 -40 RPM