Hejian Feilong Retop Rock Bit Manufacture Co.,Ltd


We offer full range size API tricone bit and PDC bit the features of our tricone bit FG Series Sealed Roller Bearing Tricone Bit Cutting Structure The wear-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. Gauge Structure 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 capability and bearing life. Bearing Structure High precision roller bearing with two thrust faces. Balls lock the cone. The leg bearing can get larger by arranging the rollers in groove of the cone hole, so it can receive more WOB, and suitable for high RPM. Thrust faces hardfaced with wear resistant alloy. Abrasion resistance and seizure resistance of the bearing are improved. Seal and Lubrication Premium HNBR O-ring, optimal seal compression and curved seal structure can enhance seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability. Product Application It can receive higher WOB and faster rotary speed than conventional roller bearing bits. It is suitable for high RPM applications.

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