Type E - with threaded blind bore.
Type D - with threaded through bore.
Type C - with plain blind bore, Tol. H7.
GN 5345.4 Three Lobe Star Knob, Stainless Steel
These star knobs have three lobes, which give a good grip and allow relatively high torques to be easily achieved. They are also ergonomically designed to prevent fatigue to the operator. Ideal for clean environments, and where there is a high hygiene requirement as they have a smooth, sealed surface for easy cleaning.
Stainless Steel AISI 316L, A4, matt blasted.
Highly polished variant PL available on request.