Type A - without handle.
Type D - with revolving steel handle GN598
Mode ZI - engage by pulling.
Mode DR - engage by pushing.
GN323.4 Disc Safety Handwheel, Friction Bearing
These disc handwheels GN 323.4 are engaged into their active position by either pushing (DR), or pulling (ZI), preventing accidental adjustment. They can be supplied with or without revolving handles. The highly polished rim and shot blasted body does not require painting or other treatments, for most applications. The use of coupling attachments in handwheels other than those specified is also possible.
Rim turned, concentric and square to bore < 0,4
Body - plastic coated, matt, black, textured finish.
Revolving handles GN598, Steel, plastic coated, black, matt.
Coupling Attachements GN000.4