VB.839-SST Three-arm knobs Stainless steel boss, threaded blind hole

Material

Glass-fibre reinforced polyamide based (PA) technopolymer, polyamide based (PA) technopolymer coating, chemically bonded with semi-glossy finish, black colour.

Coloured centre cap

Polyamide based (PA) technopolymer, in the standard colours, semi-glossy finish.

Standard executions

• 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 (see Technical data).