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MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)

Item Number: a-BP7024D3-OS

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MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
Your Price $99.95
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Description

MHW Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)

The MHW-3BOMBER Astra Collection Bottomless Portafilter: 51mm Black (Delonghi) delivers open-view extractions, a 632-hole filter, and a durable full-metal build. Order now from Coffee Parts Australia.

Refine Your Delonghi Espresso Technique with the Astra 51mm Bottomless Portafilter

Designed for Delonghi users, the MHW-3BOMBER Astra Collection 51mm Bottomless Portafilter (Black/Black) offers real-time flow visibility and improved control over espresso extractions. With an ergonomic grip and precision-built 632-hole filter, this portafilter helps identify channeling issues and improve puck preparation. Styled in the Astra Collection’s iconic “obsidian” finish, it’s a serious upgrade for any Delonghi-compatible setup.

How the Astra 51mm Bottomless Portafilter Enhances Delonghi Espresso

  • Open-Bottom Design: Offers immediate visual feedback to correct tamping or distribution problems.
  • Delonghi Compatibility: Specifically built for 51mm Delonghi machines (three-ear type). Not suitable for La Specialista EC9335, EC966, EC911S.
  • Precision Filter Basket: Features ~632 perforations at Ø0.30mm for balanced extraction and reduced micro-fines.
  • Comfort Grip: Waist-style, ergonomically contoured handle ensures stability during locking in or tamping.
  • All-Metal Construction: SUS304 stainless steel and electroplated aluminium alloy provide long-lasting durability.

Specifications

  • Product Name: MHW-3BOMBER Astra Collection Bottomless Portafilter: 51mm Black/Black (Delonghi)
  • Compatibility: Delonghi 51mm (Three Ear type). Not suitable for La Specialista EC9335/EC966/EC911S.
  • Filter Basket: Precision-cut with 632 holes at Ø0.30mm
  • Recommended Dose: ~18g (may vary by grind and roast)
  • Material: Electroplated aluminium alloy, SUS304 stainless steel
  • Finish: Black obsidian
  • Weight: Approx. 475g
  • Dimensions: Length ~235mm, Head diameter ~80mm (manual measurement)

Key Features of the MHW Astra Bottomless Portafilter 51mm (Delonghi)

  • Built for 51mm Delonghi Models: Compatible with most Three Ear machines (see exclusions).
  • Bottomless Clarity: Observe shot flow and adjust technique accordingly.
  • Precision Extraction: 632-hole basket reduces channelling and promotes even espresso flow.
  • Durable Metal Design: Built for daily use with oxidation-resistant electroplated surfaces.
  • Ergonomic Grip: Designed for comfort during repetitive café use.
  • Easy Maintenance: Fully detachable for fast cleaning and drying.

Why Choose the Astra 51mm Bottomless Portafilter for Delonghi?

If you use a compatible Delonghi machine and want to elevate your extractions, this 51mm bottomless portafilter is the right tool. With its high-precision filter and complete visibility of the espresso flow, you’ll gain better control over taste and quality in every cup.

How to Use the Astra Collection 51mm Delonghi Portafilter

  • Step 1: Dose approximately 18g of ground coffee (adjust as needed for your bean and roast profile).
  • Step 2: Distribute evenly and tamp flat for a level puck.
  • Step 3: Insert the portafilter into your Delonghi machine and start extraction.
  • Step 4: Monitor the flow to observe signs of channelling or uneven distribution.

Maintenance & Cleaning

This portafilter is easy to disassemble and clean. Rinse and wipe after use. Avoid soaking or dishwasher cleaning. Small polishing marks from the manufacturing process are normal and do not affect performance. Always ensure it is dry before storage.

Questions & Answers

  • Will this portafilter fit my Delonghi machine?
    This model fits 51mm Delonghi Three Ear portafilter designs. It is not compatible with La Specialista EC9335, EC966, or EC911S.
  • Why should I use a bottomless portafilter?
    Bottomless portafilters allow viewing espresso flow directly, helping you spot channelling and refine tamping techniques.
  • How many holes are in the MHW 3-BOMBER Astra precision basket?
    This portafilter includes approximately 632 perforations at 0.30mm each to maximise flow and reduce fines.
  • Is this portafilter dishwasher safe?
    No. We recommend hand washing only to maintain the electroplated finish and preserve build quality.
  • Where can I buy the 51mm MHW Astra Delonghi portafilter?
    Order online at Coffee Parts Australia to get fast shipping and access to the full MHW-3BOMBER Astra Collection.

MHW-3BOMBER Astra 51mm Delonghi Bottomless Portafilter Review

The MHW-3BOMBER Astra Collection 51mm Delonghi Bottomless Portafilter stands out with its metal durability, visual extraction feedback, and precision hole design. It’s a valuable upgrade for Delonghi home users who are exploring deeper espresso control. Pair it with MHW-3BOMBER accessories, including distribution tools and tamping tools, to round out your coffee bar setup.

Specifications
Brand MHW
Model Bottomless Portafilter: 51mm
Suits Delonghi 51mm Machines
Size 51 mm
Colour Black/Black
Country of Manufacture No
Shipping & Returns

Delivery Time and Costs

Parts, Accessories, Brew Bar and Tea Bar

standard delivery

From $8.95  2 – 7 business days*

express delivery

From $9.95  1 – 3 business days*
Water Filters

standard delivery

From $8.95  2 – 7 business days*

express delivery

From $9.95  1 – 3 business days*
Coffee Grinders

Home Grinders

Use estimator  1 – 3 business days*

Commercial Grinders

Use estimator  1 – 3 business days*
Coffee Machines

Home Machines

Use estimator  1 – 4 business days*

Commercial Machines

Use estimator  2 – 7 business days*

 

Freight Partners

Within Australia

Australia Post

TNT Couriers

Same Day

Capital Transport

Civic Couriers

 

We use Australia Post eParcel as well as various Couriers to dispatch all orders both within Australia and Internationally. If you are in Sydney you will also be able to select from same day 3 hour couriers, or click and collect from our warehouse in Pagewood just 10 minutes from Sydney CBD.

Shipping cost will depend on the size of your order and location, however you can check costs both directly on the product page or at checkout prior to entering any details.

Orders placed before 2pm AEST will be despatched on the same working day, and both Australia Post and the couriers we use deliver parcels Monday to Friday, generally between the hours of 8am to 6pm. On most items during checkout you will be able to select between standard and express delivery, however quoted delivery timeframes are indicative only.

For more shipping information please review our shipping and delivery page.

Warranty

All our stock is 'Australian Delivered' as such covered by Australian Warranty which in most cases is manufacturer backed. The warranty does not apply to international orders being sent outside Australia, as such any warranty claim would need to be returned back to Australia for assessment.

Easy Returns

Returns are generally allowed within 14 days of purchase for most spare parts, accessories and brew gear, however some exclusions apply. If you have made your purchase using an eligible PayPal account, you may be eligible to have PayPal refund your shipping costs. For full returns policy please read our returns policy.



The MHW-3BOMBER Astra Collection Bottomless Portafilter: 51mm Black (Delonghi) delivers open-view extractions, a 632-hole filter, and a durable full-metal build. Order now from Coffee Parts Australia.

Refine Your Delonghi Espresso Technique with the Astra 51mm Bottomless Portafilter

Designed for Delonghi users, the MHW-3BOMBER Astra Collection 51mm Bottomless Portafilter (Black/Black) offers real-time flow visibility and improved control over espresso extractions. With an ergonomic grip and precision-built 632-hole filter, this portafilter helps identify channeling issues and improve puck preparation. Styled in the Astra Collection’s iconic “obsidian” finish, it’s a serious upgrade for any Delonghi-compatible setup.

How the Astra 51mm Bottomless Portafilter Enhances Delonghi Espresso

  • Open-Bottom Design: Offers immediate visual feedback to correct tamping or distribution problems.
  • Delonghi Compatibility: Specifically built for 51mm Delonghi machines (three-ear type). Not suitable for La Specialista EC9335, EC966, EC911S.
  • Precision Filter Basket: Features ~632 perforations at Ø0.30mm for balanced extraction and reduced micro-fines.
  • Comfort Grip: Waist-style, ergonomically contoured handle ensures stability during locking in or tamping.
  • All-Metal Construction: SUS304 stainless steel and electroplated aluminium alloy provide long-lasting durability.