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12B-2 hardened hub sprockets

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12B-2 hardened hub sprockets

12B-2 hardened hub sprockets have two tooth rims for duplex 12B-2 chain of 3/4" (19.05 mm) pitch to DIN 8187 / ISO 606. The teeth on both rims are induction-hardened.

12B-2 hardened sprocket - less downtime under high loads

A duplex chain transmits high power, and a hardened driving sprocket keeps pace with it in durability - meaning less downtime in machines working under high loads. The C45 steel hub remains soft and is easy to machine for the shaft.

12B-2 hardened duplex sprockets in C45 steel

12B-2 duplex sprockets in C45 steel with teeth hardened to 45-55 HRC, in a choice of tooth counts typical of driving sprockets. 12B duplex sprockets with unhardened teeth can be found in the Hub sprockets group, and a finished bore sprocket - in the Finished bore sprockets group.

Frequently asked questions about 12B-2 hardened sprockets

Are both rims hardened in a duplex sprocket?

Yes. The teeth on both rims are hardened, so both chain strands run on equally hard teeth.

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