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 Hub welded matt shot-blaste...

Aluminium alloy knobs With threaded bolt   knobs HOLK 5335 are a special development intended for the food processing machinery and medical equipment industry. The smooth and enclosed areas as well as the large corner radii comply with the requirements of hygiene standards.

SERIES HOLK-464 STAINLESS steel-knurled knobs with threaded hole.  Suitable for medical and food manufacturing