.API button bits rock drilling tools

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Brief introduction: 1>ISO9001 certificate 2>Good stability 3>Long work life 4>Efficiently Main specification: Features: Cutting Structure The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit. Gauge Structure Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life. Bearing Structure High precision bearing with two thrust faces. Ball lock the cone.Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved. Seal and Lubrication Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.

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jining hengwang mining machinery co ltd.

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