Material: Hub: Steel, zinc-plated and passivated. Spring: Steel, black. The sliding hubs can be delivered ex stock, pre-drilled with standard bush length. Required bush length: The required bush length depends on the width of the component to be joined. Up to Prod. No. 612 006 00: Bush length 4.2 mm for a component width of 5.3 to 6.0 mm. From Prod. No. 612 010 00: Bush length in mm = 1.5 x s + b. Other bush lengths and customized bores or feather-key grooves against extra charge.

At sizes 120 and 180, the lock washer is a round plate, without edges.