Breaking 40B roller chains has never been easier, thanks to our premium CB4 40B-chain breaker. Made with precision steel components and designed with optimal pin-push power, this 40B roller chain breaker is a tool built to last! Whether you are breaking 40B chain every day or every once-in-a-blue boon, our CB4 is up for the task! The design also allows for a high degree of versatility, breaking chains up to six strand widths wide, and with a pitch of 2″ through 3″, it is a great tool to have on hand. For additional information or to get a quote on multiple quantities, contact our customer service team, and we will be happy to assist you!

40B Chain Breaker Benefits

• – Precision high-strength heat-treated screw assembly capable of the highest amount of force across any chain breaker for breaking rivets on large pitch chains.
• – Massive wrench for optimal wrenching power and force-applying capabilities.
• – Precision screw-in handle for secure grip on the breaker when in operation.
• – Heavy-duty jaw assembly for superior side plate grip. The jaw components themselves are made from high-grade steel capable of massive amounts of force, our CB4 breaker is built to break even the toughest roller chains!