F35 SERIES IADC 412

Features: Distinguished by long and extra sharp inserts, conical and chisel in shape. Large sized inserts, made of toughest carbide grades. High offset cone layout for increased penetration rates.

Application: Cutting structure designed for fast drilling in very soft to soft coal over burdens like shale, mud stone, silt stone, soft lime stone and loose sand stone.

Compressive strength: Upto 60 Mpa

Recommended operating parameters:
1000-2500 lbs / inch of bit diameter.
90 - 130 rpm