Add a 5 lb bag of custom roasted coffee to your parts order and get an extra 25% off our wholesale coffee prices!

Astoria 28157

Astoria 28157 Ring Nut Grinding Control M6

Regular price $177.19

This part ships directly from Astoria and stock is not guaranteed. Lead time averaging 3 to 5 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

Astoria Adjustment Grinder M6 Ring (part number 28157) is a precision-engineered component designed specifically for Astoria espresso machines, ensuring optimal performance and grind consistency. Crafted from durable, high-quality materials, this adjustment ring plays a critical role in fine-tuning the grinder mechanism, allowing baristas and coffee enthusiasts to achieve the perfect grind size for a wide variety of espresso blends. Its robust construction guarantees long-lasting reliability, maintaining the machine’s performance even under frequent use in busy café environments.

One of the key features of the M6 adjustment ring is its precise threading and ergonomically designed profile, which facilitates smooth and accurate adjustments to the grinder settings. This enables users to quickly calibrate the grind fineness, directly influencing the extraction and flavor profile of the espresso. Whether dialing in for a single shot or a double, the ring offers consistent feedback and control, minimizing guesswork and reducing waste. Its seamless integration with the Astoria grinder assembly makes installation and maintenance straightforward, saving valuable time during routine service.

Ideal for professional baristas and coffee shops that demand excellence from every shot pulled, the Adjustment Grinder M6 Ring ensures that your Astoria espresso machine continues to deliver exceptional espresso quality day after day. By maintaining precise grind settings, this part helps preserve the rich aroma and balanced taste that discerning coffee drinkers expect. Available for purchase through Kaldi.com, the M6 adjustment ring is an essential upgrade or replacement part that supports the longevity and top-tier operation of your Astoria espresso equipment.

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 #28157 fits Astoria machines. 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.

Compatibility for this specific Astoria part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

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 Astoria including this ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #28157 is a 100% genuine OEM component sourced directly from the Astoria factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Astoria parts typically range from 3 to 5 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Astoria parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Astoria parts come with a no returns, all sales final return policy. Please see our refund policy or chat for more details.

Commercial Coffee Machine Part Manufacturers