IADC CODE 3-2-1
Non-sealed ball and roller bearing
FORMATION
Hard, high-strength, semi abrasive(hard sands, cherty limestone, dolomite, cherts).
CUTTING STRUCTURE
The TO32 has short, closely spaced teeth for maximum strength. It comes with minimum intermesh, no deletions or interruptions and maximum number of heel teeth. These bits are designed for hard, semi-abrasive formations.