TO11

IADC CODE 1-1-1
Non-sealed ball and roller bearing

FORMATION: Very soft with low compressive strength and high drillability(soft shales, Clays, unconsolidated sands, red beds, salts).

CUTTING STRUCTURE: The TO11 features long widely spaced teeth for cast ROP. The TO bit is fully barefaced for high rotary speed, aggressive gouging and scraping actions. It is designed for the softest formations and incorporates large cone offset and deep inter mesh teeth.

Journal Angle – 33°
Skew Angle – 5°
Gage Row Tooth Shape – A

ROTARY SPEED
250 – 80 RPM