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Mazzer M28394

Mazzer M28394 Doser Adjustment Screw M8X70 | Fits Doser, Major V Doser & Robur S

Regular price $18.96

This part ships directly from Mazzer and stock is not guaranteed. Lead time averaging 7 to 9 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

Restore consistent, precise dosing with the genuine Mazzer Doser Adjustment Screw M8X70 (Part \# M28394), an essential OEM component for maintaining the accuracy of your Mazzer coffee grinder's doser chamber. This M8 x 70mm adjustment screw is precisely engineered to control the sweep and calibrated volume of the doser lever mechanism. If you are experiencing **inconsistent espresso shot weights** or if your doser lever is sticking or misaligning—the common "Mazzer doser screw stripped" problem—this is the exact replacement part needed to restore factory performance. Its robust construction guarantees longevity in high-volume commercial café settings, ensuring every dose is uniform, reducing waste, and improving extraction quality.

The Mazzer Doser Adjustment Screw M8X70 is crucial for optimal workflow; proper functionality allows baristas to quickly fine-tune the amount of ground coffee dispensed. This precision part ensures that your grinding system operates without the common issue of **Mazzer doser lever problems**, where a worn screw can lead to dose inconsistencies that ruin your espresso shot. Usage is straightforward: it mounts directly into the doser mechanism and controls the maximum and minimum travel of the sweeping mechanism, thereby setting the dose quantity. Regular inspection and timely replacement of this screw prevent minor wear from turning into major operational downtime.

Maximize your grinder's lifespan and output consistency by choosing the authentic Mazzer Doser Adjustment Screw M8X70 (M28394) from Kaldi.com. Stop searching "how to fix inconsistent Mazzer dosing" and solve the problem permanently with this specialized component. Featuring an M8 thread pitch and 70mm length, this OEM replacement ensures perfect compatibility and calibration with your Mazzer doser-equipped grinder, securing your investment and guaranteeing consistent quality espresso preparation.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #M28394 fits Mazzer machines, including the Doser, Major V Doser, Robur S series. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Our current database shows fitment for the Doser, Major V Doser, Robur S series. However, many Mazzer components are interchangeable across different platforms. If you have successfully installed Part #M28394 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.

Parts from Mazzer including this doser adjustment screw m8x70 ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #M28394 is a 100% genuine OEM component sourced directly from the Mazzer factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Mazzer parts typically range from 7 to 9 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Mazzer parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Mazzer parts come with a All sales final return policy. Please see our refund policy or chat for more details.
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