Type E - with threaded blind bore.
GN6336.1 Star Knobs, with Stainless Steel Bush.
These star knobs provide a firm grip to easily achieve high torques whilst being comfortable to use. Ideal for use in clean room, for example in the food or medical industries. The face of the boss is exactly square to the bore and is in stainless steel to prevent edge breakages. Cross-dowels can be used successfully.
Plastic, Duroplast (PF), black, shiny.
Bush - Stainless Steel AISI 303 NI
Also available with steel bush.