SCIENCE is about knowing,
is about doing

Henry Petroski


Art-no. EJ-M

Grinding mechanism holding motor, belt drive, ring burr and switches

Based on the rotating ring - / fixed cone burr combination directly connected to the macro / micro adjust, our etzJET ensures maximum performance in many respects. It`s fast, it`s precise, it`s easily adjusted and it allows for the ground coffee to axially exit the grinder.

The etzJET may be easily replaced (even by users themselves).

Mini-Hopper (200g) 

including lid and bean-blocker-handle
Art-no. 1-024

Hopper may be easily replaced in no time. Inscribable lid & bean-blocker-handle to write down recipes (setting/roast/seconds or grams). Store up to 4 Mini-Hoppers in our etzFLEXfor4-Rack.

Height complete with Mini-Hopper: 42.5 cm (16.5 in)

€ 53,00 net / EXW Liechtenstein

Single Dose Device 

Art-no. 1-028

Operate your etzMAX as Single-Dosing-Grinder by replacing the Hopper with our Single Dosing Tool (2-3 shots). 

Color: BLACK

€ 110,00 net / EXW Liechtenstein


Art-no. 1-017

Directly connected to the cone burr, our macro / micro adjust guarantees maximum possible accuracy as well as repeatability of grind settings.

Macro ring: 28 Clicks from FINE (1) to COARSE (29)
Micro ring : 10 stepless settings for fine tuning

Coneholder w/ 32mm cone

Art-no. 1-019

Standard Coneholder w/ cone (optimized for medium-dark roasts) to be used in etzMAX-medium

€ 35,00 net / EXW Liechtenstein

Coneholder w/ 32mm cone No. 2

Art-no. 1-029

Interchangeable Coneholder w/ cone for etzMAX-medium. Different geometry with reduced intake of beans allows for a wide variety of different roasts to be ground. 

€ 35,00 net / EXW Liechtenstein


Rack for 4 Mini-Hoppers
Art-no. 1-026 and 1-027

Short-time storage of up to 4 different roasts to be replaced in no time.


€ 650,00 net / EXW Liechtenstein (including 4 Mini-Hoppers)