Elma (021-4510) round shaft knob, 6.35mm bore, 21mm grey nylon. Collet-mounted
Elma 021-4510 – Round Shaft Knob, 6.35mm
The Elma 021-4510 is a grey round knob made of polyamide (nylon) with a glossy finish, featuring a 21mm knob diameter designed for a 6.35mm round shaft. It's fixed onto the shaft using the proven collet tightening method, offering precise quality and secure mounting for potentiometer and instrument control applications.
Quick spec sheet: