Non-Sealed Roller Bearing Steel Tooth Bit

Cutting Structure

The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces.

Sealed Bearing Structure

Non-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the probability of cone Cdropping to minimum.

Main Type Available

Size: 2 3/8",3",3 5/8:",3 7/8",4",4 1/2",4 5/8",4 3/4",6",6 1/2",7 1/2", 7 7/8",8 1/2",9 1/2", 9 5/8",9 7/8",10 5/8",12 1/4", 17 1/2",etc.
IADC Code:1-- Series,2-- Series,3--