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HeyCafe Jack Allround Grinder Black
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HeyCafe Jack by Mahlkonig

Allround Grinder
$649
No sales taxPrice match

Color: Black

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Key specs

64 mm flat burrsBurrs · Hardened steel
Single-dose grindingDosing · On-Demand, Single Dose
1.7–2.2 g/sGrind speed
250 g (0.6 lb) hopperHopper
15.0 in tallSize · 9.6 in × 5.4 in footprint · 13.7 lb
Runs on a standard US outletPower · 200 W
See all specs ↓

About the HeyCafe Jack by Mahlkonig

Professional Allround grinder.

  • 64 mm hardened steel burrs made in Germany for a great taste experience and high grinding performance
  • Cast aluminium grinding chamber with cooling ribs to minimize heat transfer to the ground coffee
  • Stepless grind size adjustment for precise results with an extra-wide range to match all coffee preferences
  • Low retention and steady flow of ground coffee for reduced waste and repeatable taste
  • Cleverly integrated features such as quick spout and flapper access to allow for easy cleaning
  • Height adjustable tray to accommodate a large array of dosing cups
  • Supplied with a small hopper and a purge unit that can also be used for single dose grinding
  • Low noise level for a quiet working environment

Specifications
Performance
Burr diameter64 mm
Burr typeFlat
Burr materialHardened steel
Grinding capacity1.5–3.0 g/s (Turkish to French press); 1.7–2.2 g/s (Espresso)
Hopper capacity250 g (0.6 lb)
Dosing methodOn-Demand, Single Dose
Physical Measurements
Width9.6 in
Depth5.4 in
Height15.0 in
Net weight13.7 lb
Shipping weight17.0 lb
Power
Voltage100V | 110V | 220-240V
Frequency50/60 Hz
Wattage200 W
Model & Series
SeriesJack
Warranty1-year

Manuals & downloads2
Spec SheetHeyCafe Jack by MahlkonigManualHeyCafe Jack by Mahlkonig

Questions about the HeyCafe Jack by Mahlkonig9
What type of grinder is the Jack?

The Jack is an allround grinder for espresso and filter, with 64 mm hardened steel burrs, stepless grind adjustment and a height-adjustable tray for dosing cups. It ships with a small hopper and a purge unit that can also be used for single-dose grinding, which suits small cafés, restaurants, offices and home use.

How fast does it grind per shot?

Around 5–6 seconds per double shot, slower than Buddy or HC-880 LAB but acceptable for lower volumes.

Is it durable enough for commercial use?

Yes for light to moderate volumes (~30–80 drinks/day). Heavy cafés may want Buddy instead.

What’s the price range compared to Buddy?

Jack is the most budget-friendly option — often half the cost of Buddy.

What type of burrs does this grinder use, and what’s their lifespan?

All HeyCafé grinders use hardened steel burrs. Lifespan typically ranges from 500–1,200 lbs of coffee depending on the burr size/model.

Is grind adjustment stepless or stepped?

HeyCafé grinders generally use stepless micrometric adjustment, allowing baristas to fine-tune grind size for espresso or filter.

How easy are they to clean and maintain?

All models feature accessible burrs, removable hoppers, and simple spout designs, making routine cleaning straightforward.

What is the retention like (how much coffee stays inside)?

Retention is relatively low across HeyCafé grinders (1–3 grams), minimizing waste and stale grounds.

Do they come with warranty and support?

Yes. HeyCafé grinders are backed by the Hemro Group service network (same parent as Mahlkönig, Anfim, and Ditting), with spare parts and a 1-year limited warranty available through distributors.

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