|Hand knob: Matte black nylon plastic
Threaded stud: zinc-plated steel, molded in
||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).