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Home / Electric Grinder / Deli Electric Grinder - Handheld Mini Rotary Tool for Jade, Cultural Artifacts, and Walnut Polishing

Attributes

Brand -
Category Hardware & Tools / Electric Grinder
Origin -
Brand Deli
Power Source Rechargeable Lithium Battery
Speed Range 3,000 - 20,000 RPM
Chuck Size 0.5mm - 3.2mm
Battery Capacity 2000mAh
Charging Time Approx. 2 Hours
Weight 180 grams
Included Accessories 6 Polishing Bits, USB Cable, Storage Case
Ideal For Jade, Walnut, Small Artifacts, DIY Crafts
Warranty 1 Year Manufacturer Warranty

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 4/5

Great tool for small jade pieces

Works wonderfully on small jade pendants. The torque is sufficient for light grinding and polishing. I deducted one star because the battery life could be slightly longer for heavy-duty use, but for hobbyists, it is more than enough.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Compact and powerful

Don't let the size fool you; this little machine has some punch. I use it for various projects ranging from metal engraving to stone polishing. The rechargeable feature makes it very convenient to use anywhere in my workshop.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Beginner friendly

I am new to rotary tools and this was perfect to start with. It is not intimidating like the large corded models. The speed dial is intuitive, and I successfully polished my first set of walnuts without any issues.

A

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for detailed walnut polishing

I bought this specifically for polishing my hand-carved walnut beads. The variable speed control is excellent, allowing me to start slow and ramp up without damaging the wood. It's lightweight and fits comfortably in the hand for long sessions.

A

Anonymous

Mar 07, 2026

Rating: 4/5

Good value for money

For the price point, this is a solid tool. It handles soft stones and hard woods with ease. The chuck mechanism is easy to tighten and holds bits securely. Would recommend buying extra polishing compounds to go with it.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Excellent precision for cultural artifacts

As someone who restores small cultural artifacts, precision is key. This mini grinder offers incredible control. The low vibration helps prevent hand fatigue, and the included bits are surprisingly high quality.

5 FAQ

Q: How long does the battery last on a full charge?

A: Under normal usage conditions at medium speed, the battery typically lasts between 90 to 120 minutes. Continuous use at maximum speed may reduce this time slightly.

Q: Can I use standard Dremel accessories with this tool?

A: This tool features a standard 0.5mm to 3.2mm collet, which is compatible with most standard rotary tool accessories and shanks commonly found in the market, including many Dremel-style bits.

Q: Can this grinder handle hard stones like agate?

A: Yes, the Deli Electric Grinder can handle semi-precious stones like agate, especially for polishing and light shaping. However, for heavy material removal on very hard stones, we recommend using diamond-coated bits and working in short intervals.

Q: Does the package include a carrying case?

A: Yes, the product comes with a durable plastic storage case designed to hold the grinder, the USB charging cable, and the six included polishing bits securely.

Q: Is it suitable for removing rust from small metal parts?

A: Absolutely. When equipped with a wire brush or abrasive grinding bit, this tool is effective for removing rust from small metal components, jewelry findings, and hardware.

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