Polished tungsten alloy ball resists deformation well, has good impact resistance, and can handle extremely low and high temperatures easily. It is used in the making of valves, ball screws and linear bearings too.
Chinatungsten Online offers superior performance through highly specialized materials supported by experienced engineers and knowledgeable customer service representatives. Our polished tungsten alloy balls are fully sintered solid, machined and polished to any surface finish specifications. These are perfect spheres without any evidence of a split line.
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http://www.tungsten-alloy.com/tungsten-alloy-ball.html
