085 (1/2") plate sprockets

085 plate sprockets are flat plate wheels for 085 roller chain of 1/2" (12.7 mm) pitch to ISO 606. 085 chain is wider than 081 and 083/084 chains but narrower than 08B, and works in light machine drives and conveyors.

085 plate wheels - no side play and no premature plate wear

A plate wheel with a width matched to 085 chain prevents side play and premature wear of the plates. A plate wheel without a hub is easy to fit in an existing design - simply bore the hole, then bolt it to a flange or weld it on. C45 steel is easy to machine.

Simplex plate sprockets for 085 chain in C45 steel

Simplex plate wheels for 085 chain in C45 steel, with unhardened teeth.

How to tell 085 chain from 08B - questions about 085 plate wheels

How do I tell 085 chain from 08B?

Both have a 12.7 mm pitch, but 085 chain is narrower inside and has a smaller roller. Measure the width between the inner plates - that is the simplest method.