Grinders & Scales

Hand Grinder

The same burr geometry, driven by hand

Grind stage

Hand Grinder — illustrated reference plate

3D model available

Specification
What it does	Turns the same burr principle with a crank. Because there is no motor to pay for, the budget goes into the burrs and the alignment.
Best for	Pour over, AeroPress and travel. Espresso is possible and increasingly common, but a light-roast espresso dose takes real effort.
Grind time	Roughly 20–40 seconds for a pour-over dose depending on burr size and roast. Hard, light roasts take longer.
Burr size	Larger burrs grind faster and more consistently. 38–48 mm is typical; the largest hand grinders approach small electric burrs.
Adjustment	External adjustment rings with numbered clicks are far easier to return to a setting than internal screws.
Alignment	The quality that separates a good hand grinder from a poor one. Misaligned burrs produce an uneven grind no matter how good the steel is.

Overview

A manual grinder with a crank and a set of conical burrs. Slower than a motor, quieter, and often better-aligned than a motorised grinder at the same price.

Pour OverFrench PressEspressoCold Brew

Safety

The crank and the burr shaft are a pinch point. Keep fingers clear of the top of the shaft while turning, and do not over-tighten the adjustment past its stop.

Technical parameters

At a glance
Burr size	38–48 mm conical typical
Grind time	20–40 s per dose
Adjustment	External, numbered clicks preferred
Best range	Pour over, AeroPress, travel
Capacity	20–40 g per fill
Body	Aluminium or stainless, often with wood

What actually goes wrong

Grind with the grinder braced between your knees and turn steadily rather than fast — speed does not shorten the grind much.
Record the click number for each brew method so you can return to it.
A drop of water on the beans before grinding cuts the static dramatically.

What it has to match up with

AeroPress or dripper
Coffee scale
Travel kit

See it in 3D

The Grind Size Visualizer models this in three dimensions and shows the numbers changing as you adjust it. It is a teaching simulation, not a substitute for the equipment’s own instructions.

This guide is an independent educational reference. It is not a substitute for the instructions supplied with your own equipment, and nothing here is sold, sponsored or endorsed by any brand.

Hand Grinder

Overview

Technical parameters

What actually goes wrong

What it has to match up with

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