EOFY20 | MHW Espresso Puck Screen 58.5mm: Hollow Centre

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MHW Espresso Puck Screen 58.5mm: Hollow Centre

SKU a-FG5586

MHW Espresso Puck Screen – 58.5mm Stainless Steel, 0.8mm Thick (Hollow Centre) is precision engineered to enhance extraction, preserve the brew head, and maintain coffee puck integrity for machines with groupheads featuring a protruding centre screw.

Designed for Clean, Even Extraction with Protruding Screws

This 0.8mm thick stainless steel espresso puck screen features a hollow centre to accommodate groupheads with exposed central screws. A dense mesh and smart water dispersion design delivers balanced extraction, improved flavour clarity, and effortless cleanup by preventing grounds from reaching the brew head.

How the MHW Puck Screen Works

Pre-Extraction Protection: Positioned over tamped grounds to act as a barrier between the puck and the group head.
Balanced Flow: 0.8mm thick SUS304 filter plate disperses water evenly across the bed of coffee.
Post-Extraction Integrity: Reduces water channeling and retains puck shape for cleaner knockouts and easier maintenance.

Specifications

Type: Espresso puck screen with hollow centre
Material: SUS304 Stainless Steel
Diameter: 58.5mm
Thickness: 0.8mm
Layer Design: Single layer
Approximate Weight: 15g
Hole Diameter: 0.2mm
Number of Holes: Approx. 10,385
Compatibility: E61 groupheads and other machines with 58.5mm baskets and centre screws

Key Features of the MHW Espresso Puck Screen (Hollow Centre)

✅ Hollow Centre Design: Compatible with E61-style groupheads with centre screw protrusions.
✅ 0.8mm Thickness: Durable yet slim enough to maintain grouphead clearance.
✅ Uniform Hole Distribution: Evenly spaced mesh promotes balanced saturation and flavour.
✅ Improved Brew Head Hygiene: Prevents grounds from reaching shower screens and gaskets.
✅ Made from SUS304 Stainless Steel: Anti-corrosion, food-safe and easy to clean.

Maintenance & Cleaning

Rinse the puck screen immediately after use with warm water.
Use a soft brush to remove coffee oils or buildup.
Avoid using harsh abrasives or dishwasher cleaning.

Questions and Answers

What’s the purpose of the hollow centre on this espresso puck screen?

The hollow centre is designed for compatibility with group heads that have a central protruding screw, ensuring a flat fit across the puck without obstruction.
Will this puck screen help reduce channeling?

Yes. By dispersing water evenly across the puck, it improves flow consistency and reduces channeling, especially when paired with proper distribution tools.
Is the 58.5mm size compatible with all 58mm portafilters?

This puck screen is sized at 58.5mm to ensure a snug fit in most precision 58mm baskets. Always measure your basket's inner diameter for best compatibility.
Does it affect shot timing or flavour?

It can slightly extend shot time while promoting a more even extraction. Many users report improved flavour clarity and less bitterness in the cup.
How do I clean the puck screen properly?

Rinse under warm water after use, and use a soft brush to remove fine grounds. Avoid abrasive cleaners or dishwasher use to preserve integrity.

Coffee Parts Thoughts

The hollow-centre design of the MHW 58.5mm puck screen shows MHW-3BOMBER’s attention to extraction detail and machine compatibility. It's ideal for baristas using E61 machines with exposed screw groupheads—offering clean shots, better extraction, and a tidy puck every time. Pair it with a distribution tool and knock tube to complete your espresso setup.

Brand	MHW
Model	58mm Portafilters
Size	58.5 mm
Colour	Silver