This range of round knobs has vertical ribbing around the outside face, as an aid to hand use,providing a good gripping surface. There are two diameters, 21mm for CO210 and 27mm for CO270, suitable for threaded inserts M4 to M8 depending on the model chosen.
Ideal for smaller components or applications that require frequent use or manual fastening.
Manufactured in black Polyamide they are resistant to grease and oils, are hard wearing, and form a visually pleasing fastener.
Use for clamping and locking applications where frequent use is required.