SHARDOR Adjustable Coffee Grinder Electric
- Herb & Spice Mill
- 2.5 ounces
- Stainless Steel
- 1
- Better rated than 55%
- More reviewed than 85%
The Shardor CG639 grinds coffee and spices quietly with an easy-clean cup, but expect a cooling pause between grinds and a lid seal that can leak fine powder.
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How it ranks among the 20 herb & spice mills we track
4.3★ across 2,900 Amazon ratings, Bayesian-smoothed toward the category average.
2,900 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 20 herb & spice mills we track - how the scorecard works · full herb & spice mills data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 15, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
The Shardor CG639 is an electric blade grinder with a removable 2.5 oz stainless steel cup and Time+/Time- buttons that remember your last grind setting. Rated at 63 dB, it's built for coffee beans as well as spices, herbs, and nuts.
Reviewers confirm it runs quieter than other blade grinders they've owned and like the removable cup for cleaning and pouring. Two caveats stand out: a rubber gasket in the lid can trap fine powder and let it leak, and the unit needs a cooling pause between grinds before it will restart, pointing to a built-in thermal cutoff.
- Removable 2.5 oz stainless steel cup, dishwasher safe
- Time+/Time- memory adjustment
- Rated 63 dB for quiet operation
- 2-year manufacturer warranty
Who it's for
Works well for small batches of coffee or spices where quiet operation and easy cleanup matter most. Less suited to back-to-back large grinding sessions given the cool-down requirement.
What buyers say
From Amazon customer reviews.
Owners consistently praise the quiet operation and removable cup for easy cleaning and pouring, with several calling the adjustable grind time an upgrade from a prior grinder. Complaints include a lid gasket that can trap and leak fine powder, and a cool-down pause required between back-to-back grinds.
Strengths and trade-offs
Drawn from this product's published specifications.
- Quiet enough for early mornings
- Removable stainless cup simplifies cleanup and pouring
- Remembers your last grind time setting
- Grinds spices, herbs, nuts, and eggshells too
- Lid gasket can trap and leak fine powder
- Needs a cooling pause between grinding sessions
- Fineness has a ceiling as a blade grinder
Performance notes
Time+/Time- buttons set and remember a grind duration rather than a stepped burr setting, so coarseness is controlled by how long you run it. A thermal safety feature prevents the motor from restarting until it has cooled, which owners have hit after repeated back-to-back grinds.
Specifications
| Brand | Shardor |
|---|---|
| Model | CG639 |
| Capacity & performance | |
| Capacity | 2.5 ounces |
| Construction & materials | |
| Material Type | Stainless Steel |
| Color | Dark black |
| Included components | |
| Unit Count | 1 |
| Included Components | Lid, Mixers, Stainless Steel Bowl |
| Other details | |
| Item Type Name | Coffee Grinder |
| Recommended Uses For Product | Grinding |
How it compares
This product against the closest alternatives we track in herb & spice mills.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| SHARDOR Adjustable Coffee Grinder ElectricThis product | 4.3 / 5 | 2,900 | 4.2 / 5 |
| WMF Spice Mill EmptyWMF | 4.4 / 5 | 1,200 | 4.3 / 5 |
| Kotobuki Goma Slicky Sesame Seed GrinderM.V. Trading | 4.7 / 5 | 304 | 4.3 / 5 |
| Peugeot 19501 Tidore Nutmeg MillPeugeot | 4.1 / 5 | 1,400 | 4.1 / 5 |
| Westmark Nut Meg GrinderWestmark | 4.2 / 5 | 685 | 4.1 / 5 |
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Questions about the Shardor CG639
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is the Shardor CG639 quiet enough for early mornings?
Multiple owners describe it as noticeably quieter than their previous grinder, useful for not waking a sleeping household.
Can it grind things besides coffee?
Yes, reviewers have used it for spices, flax seed, pepitas, and eggshells, though very fine textures may have a ceiling with a blade design.
Why won't it turn on after repeated use?
It has a safety cutoff; one reviewer found it needs to cool down between grinding sessions before it restarts.