Steel tooth bits, Tri-cone rock bit, Roller cone bits, Three cone bit
114-117 Soft Formation Tooth Bits

The 114-117 bits are used to drill low-compressive strength, soft formations. Long projection tooth lengths are used on high offset cone to provide the greatest penetration rates possible. Wear-resistant hard facing is used to control tooth wear, On the softest bit types this hard facing completely covers the bit teeth.

 

127 Medium-Hard Formation Tooth Bits

The 127 bits are used to drill high-compressive strength, medium hard formations. Short projection

teeth with reduced crest length are used in this series of bit designs. Durable hard facing is applied to reduce tooth wear.