Machine Design

Glass Balls For Valves and Bearings

Precision Glass Balls resist corrosion and chemical absorption, and are about one-third the weight of stainless-steel balls.

Soda-lime and borosilicate glass balls come in various colors in matte, ground, or polished finishes, and can meet 100,000/10,000 clean-room standards. They are dimensionally stable, withstand temperatures to 600°F, and come in sizes from 0.031 to 1.25 in. (0.8 to 31.75 mm).

Hartford Technologies Inc.,
1022 Elm St., Rocky Hill, CT 06067
(860) 571-3602,

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