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How To Cut Roller Chain

Below we are going to walk you through step-by-step as to how to cut (break) roller chain correctly when using a roller chain breaker provided by USA Roller Chain and Sprockets. We stock chain breakers as well as chain pullers that break ANSI sizes #25 - #240, C2040 - C2160H and ISO metric sizes 03B - 56B. If you are looking for a chain breaker checkout our Roller Chain Breaker section or contact our customer support team.

Safety Notes:
1. Make sure you are wearing safety glasses as well as safety gloves before starting.
2. Make sure that there is no tension on the roller chain, this may require a roller chain puller.
3. Make sure all equipment that chain is on is shut off.


Cutting Roller Chain Step 1

Clamp the Chain Breaker Onto the rollers of the roller chain.

Note: It is imperative to make sure that the tip of the roller chain breaker and pin of the roller chain is aligned exactly. If not, you may break the chain breaker tip or be unable to break the roller chain.


Cutting Roller Chain Step 2

Turn the handle clockwise to push pin and break the rivet of the chain.


The end result of this should look something like the photo below. As you can see, the roller chain rivet has been broken. Some people choose to stop at this step and attempt to push the single pin out. While this may work in some instances not only is it not recommended, but it can also be very difficult to do.


Cutting Roller Chain Step 3

Next, you basically repeat step one and two on the other pin.


After this step your chain should look something like the photo below. Both rivets on that chain side are now broken and you are ready to remove the pin link.


You Have Successfully Cut Your Roller Chain


If all steps are done correctly and you have removed your pins then you should have successfully cut/ broken your roller chain.

If you are needing additional information or needing a quote for a roller chain tool or accessory please contact our customer service department and we will be happy to assist you. Besides roller chain and sprockets we also stock a full line of premium quality bearings, gearboxes/ reducers, motors, pulleys, belts, and much much more. We also have a in house fully equipped fast reaction machine shop!



Disclaimer: USA Roller Chain and Sprockets is not held accountable for any injuries and or cost associated to injuries and or equipment failure caused by improper use of roller chain or roller chain tools what so ever. We have published this page for informational purposes and to help people in the process of breaking a roller chain.