F7 series IADC 722, 732

Features: Distinguished by short and fully blunt conical inserts, closely spaced, made of extremely wear resistant carbide grades.

Application: Cutting structure designed for effective drilling in hard copper ores, medium hard and fractured iron ores, very hard granite and gneiss.

Compressive strength: Upto 300 Mpa

Recommended operating parameters:
3500-6500 lbs / inch of bit diameter.
60 - 90 rpm