Main specifications
Material
Glass-fibre reinforced polyamide based (PA) technopolymer, grey-black colour, matte finish.
Elastic fork in acetal based technopolymer (POM), black colour.
Boss cap
Polyamide based (PA) technopolymer, grey-black colour, matte finish, press-fit assembly, removable by a screwdriver.
Standard executions
- EWN-B-RC: brass boss, threaded through hole.
- EWN-SST-RC: AISI 303 stainless steel, threaded pass-through hole.
- EWN-p-RC: zinc-plated steel threaded stud, chamfered flat end according to UNI EN ISO 4753:2012 (see Technical data).
- EWN-SST-p-RC: AISI 303 stainless steel threaded stud, chamfered flat end UNI EN ISO 4753:2012 (see Technical data).
General information
Features and applications
Suitable where it is necessary to prevent the loss of the wing nut.
The elastic fork, housed in the groove of the knob can turn freely.
