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, in thread sizes M4 to M8 depending on the model chosen.
The combination of a Nylon head and the strength of a steel thread makes this knob Ideal for smaller components or applications that require frequent manual fastening.
The heads are manufactured in black Polyamide which is resistant to grease and oils, is hard wearing, and forms a visually pleasing fastener.
Use for clamping and locking applications where frequent use is required.