A smooth ball knob that has a deburred surface finish that can assure a firm and reliable fit. K0159 has been made of galvanized steel and black duroplastic PF 31 with a weight ranging up to 200g. K0159.24008, 06250-23008, 06250-23508 has a brass bushes, and version 06250-21604 has a bush in copper plated steel. With a tolerance of h9, these can be mounted on standard rods and the clamping sleeve provides quality finish.
Black thermoset PF 31.
Bush electro zinc-plated steel.
Assembly, Form L: The ball knobs are installed by tapping lightly with a hammer. Please only use a rubber or plastic hammer with a weight up to 200 g!
The version K0159.21604 has a brass bush.
The versions K0159.23008, K0159.23508 and K0159.24008 have copper plated steel bushes.
* These versions are available from stock in dark red at extra charge.
Ball knobs with press-fit sleeve can be mounted on standard shafts with tolerance h9. The supplied press-fit sleeve assures a firm and reliable fit.
Form C: moulded thread
Form E: tapped bush
Form L: press-fit sleeve
Form M: tapered hole