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Roller Cone Pilot Bit
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Horizontal Directional Drilling
The wear-resistance of the teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for the steel tooth bit.The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.
Multiple gauge protection with gauge trimmers on the heel of cone,tungsten carbides inserts and hardfacing on the shittail increases gauge holding capability and bearing life.
High precision joumal bearing with two thrust faces.Balls lock the cone .Hardfaced head bearing surface.Cone bearing inlaid with friction-reducing lloy and then silver plated. Abrasion， resistance and seizure resistance of the bearing are improved. Premium HNBR 0-ring,optimal seal compression and curved seal structure can enhance the seal performace.The pressure compensator system and advanced grease can greatty, increase the lubrication reliability.
Milled and T.C.1 pilot tricone bits of common sizes and full tooth nshapes are in ready stock, always ensuring supply of most
proper and suitable tricone bits for our customers. The rubber seal, comp osite seal and metal seal can be chosen for bearing structure, result in dlferent bearing lifetime. We can supply reasonable match of products due to different dilling conditions, ffectively controlling cost of dilling tools.
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