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The McMaster-Carr stainless steel balls are precision ground to tight tolerances for use in ball bearings, valves, and flow meters. They are made from 440C stainless steel which provides excellent corrosion resistance and high hardness. The balls have a Rockwell C hardness of 58-66 and are available in sizes ranging from 1/32 inch to 2 inches in diameter. The balls meet specifications for G100 and G200 grade 100 and grade 200 stainless steel balls. They can withstand temperatures up to 800 degrees Fahrenheit. The balls are sold in packages ranging from 5 to 1000 pieces.
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