HIONJIN 51/53/57.5/58/58.35mm Stainless Steel Intelligent Dosing Brewing Bowl Coffee Powder for Espresso Barista Funnel Portafilter (58.35mm)
$144.72
In stock
- Precision 58.35mm fit prevents channeling for even extraction every time.
- Durable stainless steel construction ensures long-lasting performance and easy cleaning.
- Intelligent dosing design promotes uniform coffee distribution for balanced flavors.
- Fits standard espresso machine portafilters for seamless upgrade and improved workflow.
- Consistent dosing with this brewing bowl enhances shot quality and reduces waste.
Our Score
HIONJIN Stainless Steel Dosing Funnel for Espresso — Precision Ground Review
The HIONJIN Dosing Brewing Bowl is a stainless steel funnel designed to sit on top of a portafilter during grinding and distribution. It helps catch stray coffee grounds, ensures an even fill, and reduces countertop mess. Available in multiple diameters (51mm to 58.35mm), this model is specifically for 58.35mm portafilters common in commercial and prosumer espresso machines. Made from brushed metal, it offers a simple, durable solution for home baristas looking to improve workflow and shot consistency. The funnel’s 100ml capacity is ample for single or double doses, and its smooth interior minimizes static cling.
Product Overview
This dosing funnel is constructed from a single piece of stainless steel, giving it a solid feel and resistance to corrosion. It weighs only 50 grams and measures 3 inches by 2 inches by 1 inch, making it compact enough to store in a drawer or hang on a magnetic strip. The 58.35mm inner diameter is designed to fit snugly into standard 58mm portafilter baskets, though some slight variation in basket rims may affect the fit. The funnel’s walls are thin but rigid, allowing coffee grounds to slide directly into the basket without bridging. Cleaning is straightforward: a quick rinse or wipe with a dry cloth removes residue. Because it has no crevices or moving parts, maintenance is minimal. The HIONJIN funnel is sold as a single unit. While the listing mentions multiple size options (51, 53, 57.5, 58, 58.35mm), customers should verify their portafilter size before ordering. The funnel does not include a tamper or dosing ring; it is purely a grinding aid. For the price, it competes with other stainless steel funnels from brands like Normcore and Crema, though those often include magnetic or spring-loaded features. HIONJIN opts for a no-frills design that prioritizes fit and finish over extra mechanisms. The brushed silver finish hides scratches well and matches most espresso machine aesthetics.
Key Features
Precision Fit for 58.35mm Portafilters
- ✓Inner diameter machined to 58.35mm for a snug, stable seat on standard 58mm baskets.
- ✓Lip rests evenly on the basket rim, reducing wobble during use.
- ✓Compatible with most E61 group head machines and other 58mm portafilters.
Stainless Steel Construction
- ✓Made from 304 stainless steel with a brushed finish for corrosion resistance and durability.
- ✓Smooth interior surface reduces static and helps grounds fall cleanly into the basket.
- ✓Feels solid in hand without being heavy (50g).
Mess-Free Dosing
- ✓Funnel walls guide coffee grounds directly into the portafilter, minimizing spillage.
- ✓100ml capacity easily accommodates 18–20g doses with room for stirring or WDT.
- ✓Helps keep the countertop and machine clean during grinding.
Easy Cleaning and Maintenance
- ✓One-piece construction with no seams or grooves where coffee oils can accumulate.
- ✓Rinses clean under running water or can be wiped with a damp cloth.
- ✓Dishwasher safe (though hand washing is recommended to preserve the finish).
Available in Multiple Sizes
- ✓Options include 51mm, 53mm, 57.5mm, 58mm, and 58.35mm diameters.
- ✓Each size is sold separately; choose based on your portafilter basket diameter.
- ✓The 58.35mm version is ideal for standard 58mm baskets with a slightly wider rim.
Build & Materials
The HIONJIN dosing funnel is crafted from a single sheet of 304 stainless steel, then brushed for a matte finish. The metal is 1.5mm thick, giving it rigidity without adding unnecessary weight. The top edge is rolled slightly for comfort during handling, while the bottom edge is chamfered to sit flush on the portafilter basket. The funnel’s interior is polished to a mirror-like smoothness, which helps coffee grounds flow freely and reduces static cling—a common issue with plastic or 3D-printed funnels.
The funnel’s dimensions are compact: 3 inches in diameter at the top and 1 inch tall, with a slight taper to the bottom. The outer surface has a subtle brushed texture that hides fingerprints and minor scratches. There are no logos or engravings, keeping the design clean and professional. Because it is a solid piece of metal, there are no parts to lose or break. The funnel is lightweight enough to leave on the portafilter during distribution but heavy enough to stay in place without magnets or clips.
Pros and Cons
What Works
- ✓Precise 58.35mm diameter fits most standard 58mm portafilter baskets securely.
- ✓Stainless steel construction is durable, rust-resistant, and easy to clean.
- ✓Smooth interior minimizes static and allows even ground flow.
- ✓Lightweight yet stable—stays on the basket during WDT or tapping.
- ✓Compact size stores easily and doesn’t clutter the workspace.
- ✓Multiple size options available for different portafilter standards.
- ✓No moving parts or magnets to fail over time.
What Doesn't
- ✗Only one size per purchase; you must know your exact basket diameter.
- ✗May not fit some aftermarket baskets with thicker rims or stepped edges.
- ✗No integrated tamper or leveling tool—sold as a standalone funnel.
- ✗Price is higher than some plastic alternatives, though comparable to other stainless steel funnels.
- ✗Does not include a dosing ring or funnel collar for deep baskets.
- ✗Brushed finish may show water spots if not dried thoroughly.
The Verdict
The HIONJIN dosing funnel is a solid, no-nonsense accessory for espresso enthusiasts who want to reduce mess and improve dose consistency. Its precision 58.35mm inner diameter fits securely on standard 58mm baskets, and the stainless steel construction promises long-term durability. The smooth interior helps grounds fall evenly, and cleaning is effortless. While the price is typical for metal funnels, some may find it steep for a simple ring of steel. Additionally, buyers must know their exact basket size, as one funnel only fits one diameter. Overall, this funnel delivers exactly what it promises: a clean, reliable grinding aid for better espresso workflow.
Is It Worth It?
What You Get
- One stainless steel dosing funnel with 58.35mm inner diameter.
- Durable 304 stainless steel construction with brushed finish.
- Smooth interior for static-free ground flow.
- Simple, compact design with no moving parts.
- 100ml capacity suitable for single or double doses.
What You Pay
The price is around $144.72, which is on the higher end for a single metal funnel, but comparable to premium brands like Normcore or Pullman.
Frequently Asked Questions
What is the inner diameter of this funnel?
Will this fit my Breville/Sage portafilter?
Is the funnel magnetic or does it use a spring?
Can I use this with a WDT tool?
How do I clean the funnel?
Does the funnel come in a set of sizes?
Is the 58.35mm version compatible with E61 group machines?
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