Steel tooth bits series
 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 cones to provide thegreatest penetration rates possible.Wear-resistant hard facing is used to control tooth wear.onthe softest bit ty0pes this hard facing completely covers the bit teeth.
 127
Medium-Hard Formation Tooth Bits
The 127bits 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