Hand knob: Matte black nylon plastic
Bearing insert: Steel, black oxide finish, molded in
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GN 6335.9 star knobs have a clamping contact area which is
connected to the knob via a thrust bearing.
This results in doubled clamping force, reduced marking on
the clamping area, and a reduced creep factor.
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See our technical section for heat resistance
of plastic. |
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