1. Significantly improve the drilling speed, and reduce the drilling cycle. 2. The wearing-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit. The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit. 3. Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capacity and bearing life. 4. Apply to soft, medium hard and hard formation.
