Best Cutting Die provides high-quality, in-house manufacturing solutions for custom size-change parts and other premium components for envelope converting machines. From custom-engineered replacement parts to precision repair services, Best Cutting Die delivers complete tooling solutions for quality-focused envelope converters worldwide.




Best Cutting Die manufactures aftermarket tooling and replacement parts designed to deliver excellent performance while improving pricing and turnaround times compared to many OEM options.
With a growing selection of parts for W+D (Winkler and Dunnebier) and F L SMITHE envelope folding machines, Best Cutting Die can support a wide range of equipment needs. Backed by a full-service design and production team, the company can manufacture virtually any custom replacement part your machine requires.
We have the skills and expertise to provide you with die cutting solutions you can depend on. Ready to experience the Best Cutting Die difference? Contact our knowledgeable team today by completing our online form or calling us at (847) 654-9520.
If a needed part is not currently available, Best Cutting Die can often reproduce it through a fast and efficient reverse-engineering process, helping reduce lead times and lower costs compared to OEM and other suppliers.
Best Cutting Die offers complete in-house capabilities, including:
These capabilities allow for greater control over quality, service, and turnaround times. Every finished part undergoes extensive quality control to verify material composition, hardness, fit, and function before delivery.
All parts offered by Best Cutting Die are manufactured by or for Best Cutting Die and not by or for the original equipment manufacturer. Any OEM part numbers are used for reference purposes only. Best Cutting Die is an independent supplier of quality replacement parts and is not affiliated with any OEM.
From start to finish, Best Cutting Die offers comprehensive replacement part solutions for envelope converting machines.
Contact Best Cutting Die today to discuss your equipment needs, request a custom part, or learn how the team can help improve your turnaround time and reduce replacement part costs.