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Kitchen & Appliance Filters · FDA 21 CFR / EU 1935/2004 food contact · Application guide

What Is Espresso Filter Basket (Precision Perforated) Used For?

Close-up of a 58 mm stainless steel precision espresso filter basket, top-down angle

Espresso Filter Basket (Precision Perforated) is selected when an assembly or process calls for holding and evenly extracting the coffee puck in an espresso portafilter through a precision-perforated, uniform hole field. This application guide to the FDA 21 CFR / EU 1935/2004 food contact type covers concrete end-uses, the specification checklist, correct installation, and where an alternative mesh or filter medium performs better.

Typical Applications for Espresso Filter Basket (Precision Perforated)

Where Espresso Filter Basket (Precision Perforated) is specified and bought:

  • Espresso machine OEMs: single, double and pressurized baskets packed with home and commercial machines.
  • Barista accessory brands: precision upgrade baskets for 58 mm prosumer machines.
  • Café service & repair: replacement baskets that restore consistent shots on worn group heads.
  • Coffee competitions & labs: tight-tolerance baskets for repeatable extraction research.

How to Specify Espresso Filter Basket (Precision Perforated) for Your Application

  • Diameter & depth: Match the portafilter: 51, 54 or 58 mm, and a depth that suits the dose so the screen does not imprint the puck.
  • Hole size & count: Precision baskets hold 0.28–0.30 mm holes within a few microns over the whole floor; pressurized baskets use one exit hole.
  • Spring groove: Specify the retaining-spring groove position for the portafilter brand or the basket will fall out when knocking.
  • Standard: Quote FDA 21 CFR / EU 1935/2004 food contact and the size designation from the table on the product page, plus any value you changed in the technical drawing.

Handling & Installation Practice

  • Backflush the group with the blind basket, not the filter basket, so detergent never cakes in the holes.
  • Hold the basket up to a light now and then; blocked holes show as dark spots and cause channeling.

Common Selection Mistakes with Espresso Filter Basket (Precision Perforated)

  • Overdosing a basket — the puck touches the shower screen, cannot expand and channels.
  • Using a pressurized basket with freshly ground specialty coffee; it masks the grind and caps flavor.

Where Espresso Filter Basket (Precision Perforated) Is Not the Right Choice

Not for drip, moka or French press brewing; the dose, depth and hole field are tuned to 9-bar espresso pressure.

If This Construction Is Not the Right Fit

Closely related mesh types for the same duty — compare open area, aperture range and cleanability before you commit.

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Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the size will snap the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

Request a Quote

Set the size and options in the drawing above, then send the exact configuration straight to this form.

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Specification
Business Information

Dimensions & Specifications (FDA 21 CFR / EU 1935/2004 food contact)

SizeBasket diameter (mm)Depth (mm)Dose (g)Hole diameter (mm)Hole countThickness (mm)
51 mm single51187u201390.304200.5
51 mm double512214u2013160.304800.5
54 mm double542316u2013190.305600.6
58 mm single58197u2013100.306100.6
58 mm double582518u2013200.307000.6
58 mm triple582920u2013220.287600.6
58 mm pressurized582414u2013180.80 (single)10.6

Frequently Asked Questions

What is Espresso Filter Basket (Precision Perforated) used for?

Holding and evenly extracting the coffee puck in an espresso portafilter through a precision-perforated, uniform hole field.

What is the difference between single, double and pressurized espresso baskets?

Single and double baskets differ in depth and dose. A pressurized basket adds a single small exit hole that builds pressure for pre-ground coffee.

Why are precision espresso baskets more expensive?

Every hole is held to a tight size and position over the floor, so flow is even and shots repeat. Standard pressed baskets vary more hole to hole.

How do I know my espresso basket needs replacing?

Clogged or enlarged holes, a deformed floor or a loose spring groove. Uneven extraction on a naked portafilter is the usual clue.

Can I get a quote for Espresso Filter Basket (Precision Perforated) to my own drawing?

Yes. Set the size and any custom value in the technical drawing on the product page and send it with the quote form; we reply within one business day.