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MHW-3Bomber Astra Collection Bottomless Portafilter: 58mm Black/Black (E61)

Item Number: a-BP7023L-OS

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)
RRP $99.95 Save $10.05 Your Price $89.90

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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

Calculated at checkout 1-3 business days*

Commercial grinders

Calculated at checkout 1-3 business days*
Coffee machines

Home machines

Calculated at checkout 1-4 business days*

Commercial machines

Calculated at checkout 2-7 business days*

*Delivery timeframes are estimates and start once your order is dispatched.

Freight partners

Within Australia

Australia Post

TNT Couriers

Same day (Sydney metro)

Capital Transport

Civic Couriers

We ship using Australia Post eParcel and a range of courier partners within Australia and internationally. If you are in Sydney, you may also be able to choose same day courier options or Click and Collect from our Pagewood warehouse.

Shipping cost depends on the items in your cart and your delivery address. You can see the shipping price on the product page (where available) and at checkout before entering payment details.

Orders placed before 3pm (Sydney time) on a business day are typically dispatched the same day. Deliveries are made Monday to Friday, usually between 8am and 6pm. Standard and express options may be available at checkout depending on the item and destination.

For more details, visit our shipping and delivery page.

Warranty

Our products are supplied through Australian channels and are covered by Australian consumer guarantees and, where applicable, manufacturer warranty. For international orders shipped outside Australia, warranty support may require the item to be returned to Australia for assessment.

Easy returns

Most spare parts, accessories and brew gear can be returned within 14 days of purchase, subject to conditions and exclusions. If you paid with an eligible PayPal account, you may be able to claim return shipping costs through PayPal. For full details, 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.