December 2023 presale coming up! Presale opens on December 1st at 10am ct to email subscribers

Join Our Waitlist

Secure your place in line to get a Z1 grinder

Because coffee is personal

ZERNO™ Z1 gives you total control over your coffee grind.

 

The Z1 arrives precision-aligned with easily-swappable components for deeper customization ready to open up a world of flavors to explore. All in a modern yet timeless design.

Zerno grinder in full view

A different kind of coffee grinder

Variable feed, swappable prebreaker

Hone your ideal flavor profile by adjusting the grind feed rate and maintaining optimal performance thanks to a cutting-edge prebreaker design.

Micron Precision

Powerful high torque
single dose grinder

64mm Flat Burrs

Swap burrs while retaining
your setup

Control Feed Rate

Fully adjustable with swappable prebreaker

Near zero retention

Low exchange, single dosing

Every cup of coffee should be an expression of each unique bean. The low exchange of the Z1 ensures minimal leftover grinds so your next single-dose cup is quick and seamless.

Micron precision

Stepless adjustment

Take your espresso to another level. Fine tune your grind with an effortless and completely smooth turn of the dial with Micron Precision Stepless Adjustment.

Built to last

Superior, sustainable build quality

Zerno coffee grinders are made in the USA and hand-built in Chicago where the Zerno team works with the local community to bring high-end, expertly-crafted products to life and onto discerning coffee connoisseurs’ counters in small batches.

Next production run is on the way

Each new release is available in limited runs. Sign up and follow us on social to receive early access to each presale – including this one.

Stay up to date with Zerno

Zerno Z1 grinder side view

Swappable burrs

Vertically-oriented, 64mm burrs

When you’re ready to be adventurous, industry-leading alignment is retained as you experiment with different burr sets.

See the Z1 in action

The Zerno Z1 workflow

Video poster

Zerno Z1 specifications

What’s in the box

  • Your Custom Zerno Z1
  • Cleaning brush
  • Ross Droplet Technique (RDT) spray bottle
  • Maintenance tools
  • Stainless steel magnetic dosing cup (fits 58mm portafilter)
  • Stainless steel funnel
  • User replaceable power cord
  • Front wood accent piece
  • Zerno Z1 hard case available upgrade

Grind Range

  • 0-1400μm
  • Stepless grind adjustment
  • Easy zero point setting
  • 0.5g/sec to 2.5g/sec at espresso setting
  • 50g whole bean hopper capacity
  • Continuous feed option for large batches

64mm Burr options

  • SSP Multipurpose, SSP Cast V2, SSP High Uniformity
  • Mazzer 33M
  • Zerno 64mm blind burrs

Materials

  • Machined aircraft grade aluminum
  • Stainless steel
  • Solid wood
  • Plastic free

Electrical Specifications

  • 300W
  • 100-120V or 220-240V
  • Gear reduced
  • 900RPM rotation speed

Product Dimensions

  • Height: 270mm ~10.6″
  • Length: 300mm ~11.8″
  • Width: 130mm ~5.1″ (at the base)
  • Weight: 6.5kg ~14.3lbs

Next production run is on the way

Each new release is available in limited runs. Sign up and follow us on social to receive early access to each presale – including this one.

Stay up to date with Zerno