New API&ISO W 321g Insert Bit (IADC321)

1 IADC: 321
2 Applicable Formations: Hard formations with high compressive strength, such as hard limestone, blaize, dolomite, etc.
3 Bearing Type: Antifriction bearing

4 Advantage:
1. High-strength, high flexibility, high temperature, high wear resistance.
2. High-precision metal seal.
3. Locking roller ball, to adapt to high-speed.
4. The use of high strength 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 strata.
7. Reasonable price and long working life.