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Ball knob: Black phenolic plastic (Duroplast PF), glossy
finish
No parting lines, flash removed & polished 
Ball knobs are available with tapped blind hole, zinc plated steel or brass tapped inserts


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Since there are no parting lines in the middle of the ball,
the DIN 319 plastic ball knob is an excellent choice for user friendly applications.
Red ball
knobs are avalable upon
request.
Maximum heat resistance of phenolic plastic: 150°C (300°F). |