Hand knob: Matte black nylon plastic
Threaded stud: zinc-plated steel, molded in
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Stainless steel inserts available upon request.
Three lobed thermoplastic knob with tapped blind hole, see V3/B
with tapped through hole, see V3/B/FP.
Resistant to solvents, oils, grease and other chemical agents.
Maximum heat resistance of nylon plastic: 110°C (230°F).
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