Threaded knob VB.639 FP

Description

MATERIAL
Glass-fibre reinforced polyamide based (PA) technopolymer, black colour,
matte finish.
VB.639/130: glass-fibre reinforced polypropylene based (PP) technopolymer, black colour, matte finish.

STANDARD EXECUTIONS
– VB.639-A: black-oxide steel boss, plain blind hole.
– VB.639-B: brass boss, threaded blind hole.
– VB.639-FP: brass boss, threaded pass-through hole.
– VB.639-p: zinc-plated steel threaded stud with chamfered flat end as
in UNI 947 : ISO 4753 (see Technical data on page A-11).
– VB.639-SST: AISI 303 stainless steel boss, threaded blind hole.

APPLICATIONS
This knob has been designed for heavy duty work where the use of a
hammer for a firmer clamping action is required.