Compak K3:
Espresso Grind Settings & Guide
The Compak K3 is an electric flat burr grinder with 58mm burrs. It features stepless adjustment and is designed primarily for espresso. With moderate retention (~1.5g) and a hopper-fed design, it's a popular choice from Compak.
At a glance
Compak K3 specs
Burr Type
Flat 58mm
Adjustment
Stepless
Retention
Medium (~1.5g)
Single Dose Friendly
No
Espresso Capable
Yes
Primary Use
Espresso
Power
Electric
Espresso starting range
Where to start for espresso
No numbered scale. Stepless micrometric collar. Find touch point, open small amount for espresso. Adjust in very small turns. Do NOT suggest specific numbers.
the stepless micrometric collar (small turn for fine changes — no fixed numeric scale)
Starting point only — adjust based on your beans, roast level, dose, and target yield.
Quirks & tips
Commercial-grade build in a prosumer size
Stepless collar — describe changes as small/medium turns
High retention — purge 1–2g before shots
Detailed notes
58mm flat burr, stepless. Prosumer commercial-grade grinder. Medium-to-high retention. Stepless collar — no numeric scale. Very consistent grind. Purge before shots.
Dialing in with the Compak K3? Grindset speaks your grinder's language.
Tell Grindset which grinder you use and it gives you adjustment advice in Compak-specific terms — dial numbers, not generic "grind finer" advice.
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Manufacturer
Compak
Burrs
Flat 58mm
Adjustment
Stepless
Retention
Medium (~1.5g)
Primary Use
Espresso