The 1Zpresso K-Ultra Manual Coffee Grinder is built for coffee lovers who want one grinder that truly does it all—from bright, clean filter coffee to well-balanced espresso. Featuring the latest heptagonal conical burr, the K-Ultra delivers exceptional grind uniformity, bringing out clarity, sweetness, and balance in every cup.
An evolution of the popular K-Max, the K-Ultra offers even finer control. With 100 clicks per rotation and 20 microns of burr movement per click, dialing in your grind is precise, repeatable, and effortless—no matter your brewing method.
Designed with portability in mind, the foldable handle allows the grinder to fit neatly into its protective cylinder case. Its compact, well-balanced body makes it ideal for home use, travel, or brewing on the go—without sacrificing performance.
Why Coffee Enthusiasts Love the K-Ultra
Heptagonal Burr for Exceptional Grind Consistency
Advanced heptagonal conical burr design
Produces even particle distribution for both filter and espresso
Enhances flavor clarity and extraction balance
Finer, More Precise Adjustment
10 numbered settings / 100 clicks per rotation
20 microns per click for accurate grind control
More precise than previous K-Series models
Compact & Travel-Friendly Design
Foldable hand crank for easy storage
Fits securely into the Cylinder Case
Stable base allows the grinder to stand firmly on flat surfaces
Comfortable, Ergonomic Build
Rounded body with smooth, curved edges
Easy to grip during grinding sessions
Balanced weight for controlled, steady grinding
Built to Last
Each K-Ultra grinder is calibrated and fixed by the 1Zpresso team, ensuring long-term stability with no wobble or burr misalignment over time. Designed for serious use, the burr is rated for approximately 100–200 kg of coffee under normal conditions.
One-year limited warranty
Backed by 100% customer support
Engineered for durability and consistency
Who Is the K-Ultra Best For?
Coffee drinkers who brew both filter and espresso
Home baristas seeking precision without electricity
Travelers who want café-quality grinding anywhere
Anyone upgrading from entry-level hand grinders
Final Word
The 1Zpresso K-Ultra Manual Coffee Grinder blends precision engineering, thoughtful design, and portability into one refined package. Whether you’re brewing at home or on the road, it gives you complete control over your grind—and your coffee.
Add the 1Zpresso K-Ultra to your setup and taste the difference precision makes.
FAQs
1. Is the 1Zpresso K-Ultra suitable for espresso? Yes. The fine 20-micron adjustment allows precise dialing for espresso while still performing well for filter coffee.
2. Can I use the K-Ultra for pour-over and French press? Absolutely. It covers a wide grind range, making it ideal for pour-over, AeroPress, drip, and French press.
3. What makes the heptagonal burr special? The heptagonal conical burr produces a more uniform grind, improving extraction consistency and flavor clarity.
4. How precise is the grind adjustment? The grinder offers 100 clicks per rotation, with each click adjusting the burr by 20 microns for accurate control.
5. Is the adjustment internal or external? The K-Ultra uses an external adjustment mechanism, making grind changes quick and easy without disassembly.
6. Is the grinder good for travel? Yes. The foldable handle and compact design allow it to fit neatly into the cylinder case for easy transport.
7. Does the grinder wobble during use? No. The burr is calibrated and fixed by the 1Zpresso team to ensure stable, wobble-free grinding over time.
8. How durable is the K-Ultra grinder? The burr is rated for approximately 100–200 kg of coffee under normal use, making it a long-lasting investment.
9. Is the K-Ultra easy to clean? Yes. It can be dismantled easily for cleaning without complicated tools, helping maintain grind consistency.
10. Does the 1Zpresso K-Ultra come with a warranty? Yes. It includes a one-year limited warranty and is backed by 100% customer support.
