04 (6 mm) plate sprockets

04 plate sprockets are flat plate wheels for 04 roller chain of 6 mm pitch to DIN 8187 / ISO 606. This small chain is used in light drives of equipment, automation and small devices.

04 (6 mm) plate wheels - bore them to suit your own shaft or hub

A plate wheel without a hub means mounting freedom: you machine the bore exactly to suit your shaft, bush or hub, and bolt or weld the plate itself. This lets you build a sprocket perfectly matched to the machine, without paying extra for a ready-made hub that might not fit. A light plate wheel is easy and cheap to send in a parcel.

04 simplex plate sprockets in C45 steel

Simplex plate wheels for 04 chain in C45 steel, with unhardened teeth.

04 plate wheel vs 04A (ASA 25) chain - questions and answers

Does an 04 plate wheel fit 04A (ASA 25) chain?

No. 04 chain has a 6 mm pitch, while 04A has 6.35 mm. The difference is small, but enough to stop the rollers seating in the tooth gaps. 04A sprockets can be found in the ASA sprockets group.