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MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)

Item Number: a-BP7023L-OS

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MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
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Description

MHW Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)

The MHW-3BOMBER Astra Collection Bottomless Portafilter: 58mm Black (E61) features a precision 632-hole filter, ergonomic grip, and complete metal build for clean espresso extraction. Buy now from Coffee Parts Australia.

Precision and Visibility in Every Shot with the Astra 58mm E61 Bottomless Portafilter

Designed for baristas who demand clarity in extraction and consistency in results, the MHW-3BOMBER Astra Collection Bottomless Portafilter (58mm E61 Black) enhances espresso workflow. Its open-bottom design showcases shot clarity while the ergonomic black “obsidian” handle ensures comfort during repeated use. Built to match E61 brew heads, this bottomless portafilter supports cleaner extractions and real-time diagnostic feedback for your puck prep technique.

How the 58mm E61 Astra Bottomless Portafilter Works

  • Open-Bottom Visibility: Allows direct observation of espresso flow for training, diagnosis, and shot refinement.
  • 632 Precision Holes: Ø0.30mm laser-perforated base ensures even pressure and consistent extraction.
  • Fully Metal Build: Electroplated aluminum and SUS304 stainless steel for corrosion resistance and durability.
  • Waist-Style Handle: Ergonomic grip offers stability and control under pressure.
  • E61 Brew Head Compatibility: Built to fit most standard 58mm E61 group head machines.

Specifications

  • Product Name: MHW-3BOMBER Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)
  • Compatibility: E61 group heads (58mm standard)
  • Filter Type: One-piece stainless steel precision filter
  • Perforation Count: Approx. 632 holes
  • Hole Size: Ø0.30mm
  • Recommended Dose: ~18g (may vary based on grind and roast)
  • Materials: SUS304 stainless steel, anodised aluminium alloy
  • Colour: Electroplated black “obsidian” finish
  • Weight: Approx. 475g
  • Dimensions: Length ~235mm, Head diameter ~80mm

Key Features of the MHW Astra Bottomless Portafilter 58mm (E61)

  • Precision Extraction: 632 finely milled holes deliver clean, even pressure across the puck.
  • Bottomless Design: Enhances shot analysis and improves puck preparation accuracy.
  • Fits 58mm E61 Machines: Engineered for standard E61 group heads including prosumer and commercial setups.
  • Full Metal Construction: Robust and long-lasting with electroplated finish.
  • Comfortable Ergonomic Handle: Waist-style grip promotes balance and tamping leverage.
  • Easy to Clean: Detachable for cleaning and designed for everyday café use.

Why Choose the MHW Astra Collection 58mm E61 Bottomless Portafilter?

A bottomless portafilter is essential if you're serious about espresso precision. This Astra model combines ergonomic comfort, full visibility, and durable construction, all optimised for E61 group heads. It’s a smart upgrade for baristas looking to refine their technique and elevate shot consistency.

How to Use the Astra Collection E61 Bottomless Portafilter

  • Step 1: Grind and distribute coffee into your 58mm E61 basket (recommended: ~18g dose).
  • Step 2: Use a coffee distributor and tamper to create a level puck.
  • Step 3: Lock the Astra bottomless portafilter into your machine and extract as usual.
  • Step 4: Observe the espresso flow to check for channeling or inconsistencies.

Maintenance & Cleaning

Disassemble after use and rinse with warm water. The all-metal body is resistant to corrosion and simple to clean. Use a brush for any stubborn grounds near the precision holes. Avoid harsh chemicals or dishwasher use. Minor surface markings from manufacturing are normal and not defects.

Questions & Answers

  • Is this MHW Astra portafilter compatible with E61 machines?
    Yes, the MHW Astra Collection 58mm bottomless portafilter is designed for machines with E61 group heads and provides a precise fit.
  • What makes this a better choice than standard portafilters?
    The bottomless design lets you view extraction directly, making it easier to spot channeling and refine your tamping and grind.
  • How many holes are in the precision filter?
    The portafilter basket features approximately 632 holes, each about 0.30mm, for even extraction and reduced fines migration.
  • Can I use this with my La Marzocco or Breville machine?
    This version is designed for 58mm E61 machines. MHW also offers Astra Collection portafilters for La Marzocco and Breville—see product variants.
  • Where can I buy the MHW Astra 58mm bottomless portafilter?
    You can order the MHW-3BOMBER Astra Collection 58mm E61 bottomless portafilter directly from Coffee Parts Australia for fast delivery and full local support.

MHW-3BOMBER Astra 58mm Bottomless Portafilter (E61) Review

The MHW-3BOMBER Astra Collection 58mm Bottomless Portafilter (E61) offers premium build quality, aesthetic design, and high extraction accuracy. Whether you're dialling in a new grinder or troubleshooting channeling, this tool gives you immediate visual feedback. Built to complement the full MHW-3BOMBER Astra Collection, it pairs well with distribution tools and barista accessories for a complete espresso setup.

Specifications
Brand MHW
Model Bottomless Portafilter: 58mm
Suits E61 58mm Machines
Size 58 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: 58mm Black (E61) features a precision 632-hole filter, ergonomic grip, and complete metal build for clean espresso extraction. Buy now from Coffee Parts Australia.

Precision and Visibility in Every Shot with the Astra 58mm E61 Bottomless Portafilter

Designed for baristas who demand clarity in extraction and consistency in results, the MHW-3BOMBER Astra Collection Bottomless Portafilter (58mm E61 Black) enhances espresso workflow. Its open-bottom design showcases shot clarity while the ergonomic black “obsidian” handle ensures comfort during repeated use. Built to match E61 brew heads, this bottomless portafilter supports cleaner extractions and real-time diagnostic feedback for your puck prep technique.

How the 58mm E61 Astra Bottomless Portafilter Works

  • Open-Bottom Visibility: Allows direct observation of espresso flow for training, diagnosis, and shot refinement.
  • 632 Precision Holes: Ø0.30mm laser-perforated base ensures even pressure and consistent extraction.
  • Fully Metal Build: Electroplated aluminum and SUS304 stainless steel for corrosion resistance and durability.
  • Waist-Style Handle: Ergonomic grip offers stability and control under pressure.
  • E61 Brew Head Compatibility: Built to fit most standard 58mm E61 group head machines.