Stainless Steel-Star knobs with threaded bolt.
Stainless Steel 304
The original HOLKEN design with 5 recess grips is typical for HOLK 5334 star knobs.
This form gives these grips an appealing look and additionally allows a high torque to be achieved.
Knob drawn from Stainless Steel sheet
Aluminium alloy knobs with threaded blind hole.
knobs HOLK 5335 are a special development intended for the food and medical processing machinery industry. The smooth and enclosed areas as well as the large corner radii comply with the requirements of hygiene standards.