Description Details
Restore the integrity of your Vulcano grinder's internal assembly with the genuine Vulcano Key Stock, 3x3x30 (Part # M.1.020). This small but critical OEM component is essential for transmitting torque between the motor shaft and the grinding burr mechanism, ensuring reliable, consistent burr rotation. If you are experiencing a grinding issue where the motor runs but the burrs don't turn, or if you need to fix a failed key stock on a Vulcano grinder, this part is the definitive solution. Manufactured to precise specifications (3mm x 3mm x 30mm), this key stock guarantees a perfect fit and long-term durability in high-demand commercial coffee environments, preventing downtime caused by mechanical slippage.
Installing the correct key stock is vital for maintaining the factory calibration of your Vulcano grinder. When worn or sheared key stock causes inconsistent grinding results or complete failure, replacing it with the M.1.020 part restores precise power transfer, eliminating unnecessary motor strain and inconsistent output. This component is specifically designed to be easily seated in the motor shaft's keyway before fitting the burr carrier assembly. Its high-tensile material composition is built to absorb the torque demands of continuous grinding, offering an immediate and reliable remedy for mechanical transmission failures.
Ensure optimal function and maximize the lifespan of your professional coffee equipment. The Vulcano Key Stock M.1.020 provides a reliable, cost-effective replacement for a common mechanical failure point. Avoid the costly downtime and inconsistent extraction caused by cheap generic parts; choose this OEM part from Kaldi.com to immediately solve the problem of "Vulcano grinder motor spinning but burrs not grinding" or "how to replace key stock on a Vulcano espresso grinder." Precision engineering delivers consistent performance, shot after shot.
Frequently Asked Questions
Our current database shows fitment for the Vulcano Automatic, Vulcano OD, Vulcano Swift series. However, many La Marzocco components are interchangeable across different platforms. If you have successfully installed Part #M.1.020 on a model we haven't listed, please let us know so we can update our records for the community.
If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.
Compatible Parts Diagrams*
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