Your search for: Part groups, Components, Locks; Locking devices; Handles, Rotary handle returned 6 hits.
12620 - Thumbturn, chrome-plated (Shopfront)
13789 - Thumbturnfor door thicknesses of 35-40 mm (1 3/8'' to 1 9/16''), chrome-plated
13894 - Hexagon key with plastic T-handle, 8/80 mm (5/16''/3 5/32'')
19107 - Thumbturn, with square pin 24 mm (15/16''), chrome-plated, matt
19806 - Thumbturn for door thicknesses of 41—57 mm (1 5/8''-2 1/4''), chrome-plated
27458 - Rotary handle for tension latch, stainless steel