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Buying Guide · Commercial Grinders
The grinder decides more about your espresso than the machine does. This guide covers flat versus conical burrs, burr sizing, on-demand versus single dosing, the brands worth knowing, and how to match a commercial grinder to your actual daily volume.
If you are outfitting a cafe and the budget is tight, spend the marginal dollar on the grinder. An excellent espresso machine fed by a mediocre grinder produces inconsistent shots all day; a mid-range machine fed by a genuinely good grinder produces coffee people come back for. Extraction is governed by particle size distribution, and that is entirely the grinder's job.
The commercial requirement is different from the home one in three specific ways: throughput without heat build-up, adjustment that holds its setting through a service, and burrs that stay sharp for tens of thousands of shots rather than hundreds. Everything in this guide comes back to those three. Browse the full commercial coffee grinder range as you go.
The argument is older than most cafes, and both answers are defensible. What actually separates them:
Two parallel rings. They tend to produce a narrower particle distribution, which shows up in the cup as clarity and defined acidity. They generally run hotter and draw more power, and alignment matters more. Popular in specialty bars chasing a bright, distinct espresso.
A cone inside a ring. Broader particle distribution, which reads as body and forgiveness. They run cooler and slower at the same output, and they are more tolerant of slight alignment error. Popular in high-volume milk-drink bars where consistency beats nuance.
The practical takeaway: if your menu is mostly milk-based and your queue is long, conical is a very sensible default. If you are selling single origins as espresso and your customers taste them black, flat burrs give you more to work with. Neither is a mistake, and burr geometry matters far less than burr condition — a worn flat burr and a worn conical burr are equally bad.
83mm flat burrs · on-demand dosing · Spanish built
An 83mm flat burr set is at the larger end of what a single espresso bar needs, and the payoff is speed: the grind is delivered quickly with less heat transferred into the coffee. Compak build these in Barcelona and have a long-standing reputation for burr alignment, which is what separates a good flat-burr grinder from a merely large one.
Best for: Specialty bars pouring espresso and single origins at volume.
View & Buy →Larger burrs grind faster at a given motor speed, which means less heat transferred into the coffee and less strain on the motor across a shift. Commercial espresso grinders commonly run flat burrs in the 64mm to 83mm range, with the larger sizes reserved for high-volume bars and dedicated single-origin grinders. Conical commercial burrs cover a similar spread.
Bigger is not automatically better. A large-burr grinder in a low-volume site sits idle, retains stale coffee between doses, and costs more to re-burr. Match the burr to your daily volume, not to the brand's flagship model. As a rough rule: a single busy bar with one espresso machine is well served in the mid-range; multi-group, multi-bar operations justify going up.
On-demand dosing · touch control · compact footprint
A sensible first commercial grinder for a small bar or an office setup that wants real espresso. On-demand dosing means the machine holds the dose rather than the barista holding the standard, which is exactly what you want when the person making the coffee changes from week to week.
Best for: Small bars, offices, and second-grinder duty for decaf.
View & Buy →On-demand (electronic dosing) is the commercial standard. You program a single and a double, the grinder delivers that dose into the portafilter, and consistency does not depend on the barista's attention at the end of a rush. This is what you want on the main bar.
Doser grinders hold ground coffee in a chamber and dispense by lever. They are still around, still repairable forever, and still fine for a site that grinds continuously — but ground coffee sitting in a doser goes stale within minutes, so they only make sense at genuine volume.
Single dosing means weighing beans per shot and grinding them with near-zero retention. It is superb for a decaf grinder, for a multi-origin bar, or for training, and it is too slow to be your main-bar grinder in a busy shop.
Most well-run cafes end up with two: an on-demand workhorse for the house blend and a smaller unit for decaf or a second origin. Our commercial range covers both roles, and the home and prosumer grinders are worth a look for the decaf slot in lower-volume sites.
Flat burrs · on-demand dosing · German built
Mahlkonig is the name you see behind a lot of specialty bars, and the E65S is the reason why: flat-burr grinding with on-demand dosing, built to hold its setting through a full service rather than drifting as the burrs warm up.
Best for: Cafes running one espresso machine, all day.
View & Buy →
Flat burrs · grind-by-weight dosing · integrated scale
Grind-by-weight closes the loop that timed dosing leaves open. Instead of grinding for a fixed number of seconds and hoping the dose is right as beans age and burrs wear, the grinder weighs what it delivers. In a bar with staff turnover, that removes the most common source of shot-to-shot variation.
Best for: Bars that want repeatable dosing without relying on staff discipline.
View & Buy →Retention is the coffee that stays inside the grinder between doses. In a single-blend bar it barely matters — everything that comes out is the same coffee. The moment you run two beans through one grinder, or the moment you dial in a new bag, retention becomes waste and inconsistency.
The workflow details that quietly decide whether staff like a grinder: portafilter fork height and whether your basket actually fits under it, whether the adjustment is stepped or stepless, whether the collar can be moved with a full hopper on top, how much of the dose lands on the bench, and how quickly the burr chamber can be opened for cleaning. Ask to see a grinder used in person before committing to twelve months of it.
Keep a set of scales next to it. Dose by weight, not by timer alone — timers drift as beans age and burrs wear.
Tell us your daily volume, your machine, and whether you pour milk or single origins, and we will shortlist properly.
Shop Commercial Grinders Get Expert AdviceCommercial grinding is dominated by a small group of long-established manufacturers, most of them Italian, and each has a house character worth knowing.
Parts availability should weigh as heavily as performance. A grinder you cannot get burrs or a motor capacitor for is a grinder with an expiry date.
| Site type | Typical setup | Burr class | Dosing | Second grinder? |
|---|---|---|---|---|
| Office / small bar | One grinder | Entry commercial | On-demand | Not needed |
| Cafe, one machine | One main grinder | Mid commercial | On-demand | Decaf, low retention |
| Busy specialty bar | Two grinders | Larger flat burrs | On-demand | Yes, single origin |
| High-volume, multi-group | Two or three | Large burrs | On-demand | Yes, plus filter grinder |
| Roastery / bulk | Dedicated bulk grinder | Bulk-rated | Doser or bulk | Separate espresso unit |
A commercial grinder needs three routines. Daily: brush the chute and wipe the fork area. Weekly: empty and wipe the hopper, and run a grinder cleaning product through to strip coffee oils. Periodically: strip the burr chamber, inspect the burrs for chipping and rounded edges, and check that the adjustment collar still moves freely. Keep brushes and cleaning products at the bench, not in a cupboard.
Worn burrs announce themselves before they fail: grind time creeps up, the shot tastes flat no matter how you adjust, and fines increase so baskets choke unpredictably. Replace them on a schedule rather than waiting for the complaint.
Buying used is a strong play in grinders specifically, because the wear item is replaceable. A well-built commercial grinder with fresh burrs is close to a new machine in performance. Check the motor, check the collar threads, and confirm burrs have been inspected. Our second-hand commercial grinders are inspected and serviced by our qualified technicians, with expert advice, flexible finance, and after-sales support.
Neither is universally better. Flat burrs tend to give a narrower particle distribution, which reads as clarity and defined acidity, and they suit bars selling espresso and single origins. Conical burrs give more body and are more forgiving, which suits high-volume milk-drink bars. Burr condition and alignment matter far more than geometry, so choose on menu and volume rather than on the debate.
Commercial espresso grinders commonly use flat burrs in the 64mm to 83mm range, with larger sizes reserved for high-volume or multi-bar sites. Larger burrs grind faster and transfer less heat into the coffee, but they cost more to replace and retain more coffee when idle. Match the burr size to your daily volume rather than buying the largest available.
Burrs are a consumable rated in kilograms or shots rather than months, so replacement intervals depend entirely on your volume. The signs are consistent: grind time creeps up at the same setting, shots taste flat however you adjust, and baskets choke unpredictably as fines increase. Ask your supplier for the expected life and the replacement cost of your specific burr set before you buy the grinder.
Yes, more so than with most equipment, because the main wear item is the burr set and burrs are replaceable. A well-built commercial grinder with fresh burrs performs close to new. Check the motor condition, make sure the adjustment collar moves freely, and confirm the burrs have been inspected. Every second-hand grinder we supply is inspected and serviced by our qualified technicians.
