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Compact 21V Rechargeable Lithium-ion Electric Straight Grinder for Stone Engraving, Jade Carving, Metal Polishing

Compact 21V Rechargeable Lithium-ion Electric Straight Grinder for Stone Engraving, Jade Carving, Metal Polishing

3 total reviews

Regular price $161.13 USD
Regular price Sale price $161.13 USD
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Features & Benefits

  • Rechargeable Lithium-ion Power. The electric grinder operates on a rechargeable lithium-ion battery, providing cordless convenience and allowing for uninterrupted use without the need for a power cord.

  • High Power and Versatility. The grinder boasts a 1,200W motor, providing ample power for demanding tasks. It operates at a high speed of 22,000 rpm, making it ideal for stone / jade / metal polishing, carving, grinding, cutting, and rust removal tasks. Despite the strong force, it has minimal vibration.

  • Lightweight and Ergonomic Design. The grinder features a lightweight body, weighing between 1.1kg and 1.6kg, and an ergonomic design that allows for comfortable single-handed operation. Its slim profile and comfortable grip reduce fatigue during extended use.

  • Long-lasting Lithium-ion Battery. Equipped with a high-quality lithium-ion battery, the grinder ensures long-lasting power and extended cordless operation. It provides reliable performance, allowing users to work without interruptions.

  • Quick Charging. The battery can be fully charged within a short duration, typically ranging from 1.5 to 3 hours. This quick charging time minimizes downtime and maximizes productivity.


Voltage: 21V
No-load speed: 22,000rpm
Collet diameter: 8mm
Maximum torque: 1.5N.m
Weight: 1.1 - 1.6kg
Charging time: 1.5 - 3 hours.

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Customer Reviews

Based on 3 reviews
Nathan Anderson
This electric grinder is excellent.

This electric grinder is excellent. It meets the speed requirements, and we have purchased several units. It is a high-power, high-speed electric grinder. YouTube video placeholder
Benjamin Parker
It can accommodate a 6mm shaft

I urgently needed this electric grinder, and the delivery was very prompt. It can accommodate a 6mm shaft, and this high-power grinder works very effectively. It is convenient for our repair and hole enlargement tasks.

Alexander Johnson
High power, large collet size

High power, large collet size, can accommodate thicker shaft grinding heads and meets my work requirements. It is an industrial-grade electric grinder.