In brief
The C3 Max is Timemore's roomier version of its Chestnut C3 hand grinder. Timemore's page describes new S2C steel burrs "adopted from the Chestnut X in a smaller 38mm size," an aluminum alloy body and a capacity enlarged "from 25g to 30g." It lists the weight at 510 g, "around a pound."
It is a filter grinder with an escape hatch. Timemore's copy says it handles "everything from espresso to pour over and French press," but the reviews of its close siblings are clear that filter coffee is where this family is at home.
Independent reviews of the C3 Max itself are scarce. The reviews cited here cover the C3, the C3S and the C3 Pro, which share the 38 mm burr and the same overall design. Treat any claim below about the Max as inferred from those, unless it is attributed to Timemore.
What it does well
- Timemore says capacity grows from 25 g to 30 g while weight stays around a pound
- Home Coffee Expert found the C3 family's grind consistency excellent for the price, especially at coarser settings
- Brew Coffee Home calls the build quality of the C3 range 'excellent, too, particularly considering the price'
- Timemore says it grinds enough for a big cup in about a minute
Where it falls short
- No independent review of the C3 Max itself turned up; reviewers tested the C3, C3S and C3 Pro
- Home Coffee Expert found the base C3 poor for espresso, with limited usable settings
- Home Coffee Expert notes the dial has no numbers, so settings are counted from zero
- Brew Coffee Home says adjusting an internal dial means removing the bin first
Specs
- Type
- Hand grinder, Conical burrs
- Burrs
- 38 mm stainless steel conical (S2C)
- Adjustment
- Internal dial from the zero point; Timemore's copy calls it stepless
- Capacity
- 30 g, up from 25 g, per Timemore
- Weight
- About 510 g, per Timemore
- Size
- 52 mm diameter
- Body
- Aluminum alloy body, stainless steel handle, shaft and burrs
- Power
- Hand
Where to start on the dial
Pour-over 15 clicksAeroPress 13 clicksDrip 17 clicksFrench press 22 clicks
Every method on the settings chart →On this page · 5 sections
What it does well
Grind consistency for the money is the main selling point. Home Coffee Expert, reviewing the C3, says the S2C burrs are a modest step up from the C2 rather than a revolution, but that "for the price" the grind consistency is excellent, especially at coarser settings. The reviewer describes bright, sweet cups at pour-over settings.
It is light for what it holds. Timemore says the Max holds 30 g and still weighs about 510 g. Slow Pour Supply lists the C3S Pro and C3 ESP Pro at 25 g maximum and about 530 g, so the Max gives you extra room without extra bulk. A larger dose helps if you brew for two or use a bigger French press.
The build is better than the price suggests. Timemore lists an aluminum alloy body with a stainless steel handle, driveshaft and burrs, and an anti-slip textured surface. Brew Coffee Home, reviewing the C3S and C3 ESP, calls the build quality of that range "excellent, too, particularly considering the price."
It is quick enough. Timemore says it grinds enough for a big cup in about one minute. Home Coffee Expert found the C3 relatively fast and easy to hold and turn, with smoother bearings than the C2, though slightly slower than the C2 at medium-to-coarse settings.
Where it falls short
Espresso is a stretch. Home Coffee Expert found the base C3 poor for espresso, with few usable settings and one narrow window for dark roasts. A click either way clogged the machine or ran too coarse, and the reviewer warned that "you'll struggle to dial in shots accurately." The finder rates the Max at 0 for espresso for that reason, even though Timemore says espresso settings begin around 8 clicks back from the start point.
The dial is not friendly. Home Coffee Expert notes it has no numbers, so you count from zero. Brew Coffee Home says adjusting this kind of internal dial means taking off the bin and holding the handle. Timemore's copy calls the adjustment "stepless," which does not match the clicked dial the reviewers describe, so read it as marketing shorthand and check the dial when it arrives.
Some parts feel cheap. Home Coffee Expert mentions plastic parts that make the C3 feel a little cheap, and a thinner aluminum body that may dent if dropped. Brew Coffee Home found the family's materials less robust than Timemore's Chestnut X.
Timemore's page does not state a warranty for the Max, so check the retailer's terms.
Who should buy it, and who shouldn't
Buy it if you make pour-over, AeroPress or French press at home or on the road and want a larger dose than the smaller Chestnuts allow. It is a sensible first hand grinder after a blade grinder or a pre-ground habit.
Skip it if you pull espresso. The standard-sized dial, per Home Coffee Expert, leaves too few settings, and the C3 ESP Pro exists for that job. Skip it too if you want to switch brew methods daily without counting clicks; an external dial is easier.
How it compares
The Timemore C3 is the cheaper, smaller version that Home Coffee Expert reviewed, which called it a strong budget grinder best suited to drip and French press. The Max swaps that grinder's lower capacity for 30 g.
The Timemore Chestnut S3 is the next tier up. Coffee Chronicler's blind pour-over tasting of the C5 put the S3 above the C5 on one coffee, and the C5 well above the C3 on another.
The KINGrinder K6 has an external dial and a finer click, and is the usual comparison for buyers who may want espresso later. See also the Chestnut C5 Pro for a bigger burr in the same line.
Owning it
Clean it dry. Slow Pour Supply's note for the C5 series is to use a dry brush and not wash the grinder, and the same sensible rule fits the C3 family. Our guide to cleaning a hand grinder covers the routine.
Expect to set your own starting points, because the internal dial has no numbers. Slow Pour Supply gives a reference for the sibling C3S Pro, about 13 to 16 clicks for pour-over and 17 to 20 for French press, which is a reasonable place to begin. Our guide to dialing in a new grinder covers refining it from there.
Also worth a look
Timemore C3The smaller, cheaper C3 from the same family; Home Coffee Expert reviewed this one
Timemore Chestnut S3Timemore's step up in cup quality, with an external dial
KINGrinder K6External dial, and a finer click for espresso if you ever want it
Timemore Chestnut C5 ProBigger 42 mm burr and numbered dial; Coffee Chronicler found it beat the C3 in a blind pour-over round
Sources
- Timemore: Chestnut C3 Max Black (store page)
- Home Coffee Expert: Timemore C3 Review, Quality Hand Grinder on a Budget
- Brew Coffee Home: Timemore C3 Coffee Grinder Review, The C3S and C3 ESP
- Slow Pour Supply: Timemore Chestnut C Series model comparison
- Coffee Chronicler: Timemore C5, Review and First Impressions
By Jeff · Checked 2026-10-22
