Hand knob: Black phenolic plastic
(Duroplast PF), glossy finish
Threaded stud: Zinc plated steel, molded-in
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Hand knobs with male thread increase
the range of
application.
Special shorter than listed stud lengths and various stud tips
are available upon request.
Should clamping with the knob face be necessary,
then it is recommended to use either GN
6336.4-TE phenolic plastic hand knob with steel hub or
GN 6336.4-SG cast iron
hand knob.
Maximum heat resistance of phenolic plastic: 150°C (300°F).
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