threaded knob / three-lobe / technopolymer / ergonomic
VB.839 knob with three-arm in glass-fibre reinforced polyamide based (PA) technopolymer, chemically bonded coating with semi-glossy finish, black colour.
Highly ergonomic shape, specifically designed to ensure an excellent grip.
Product awarded with the IF Design Award 2019.
VB.839 knob is available with centre caps in the ELECOLORS colours: black, orange, grey, yellow, blue, red and green. It is also possible to request the caps in other colours and with customised graphic symbols, marks or writing.
VB.839-B: brass boss, threaded blind hole.
VB.839-SST: AISI 303 stainless steel boss, threaded blind hole.
VB.839-p: zinc-plated steel threaded stud, chamfered flat end according to UNI 947 : ISO 4753.
Execution with AISI 304 stainless steel metal parts on request.