... price 3 Various of model and dimension available 4 Fast drilling rate Tricone bit1.High-strength, high flexibility, high temperature, ... high toughness carbide teeth,5. Hours in the rotary cone bit with the impact, crushing and shearing the role of ... broken rock.6. Cone bit to adapt to the soft, medium and hard of various ... 4114,517,537,617,637 75mm opening bearing tricone bit