Handheld Grinder/Polisher-Dual Use of Charging and Plugging

Models and Specifications

Model: DM520S1(rechargeable and plug-in)

Grinder voltage：DC 4.2 V

Voltage input: 110-240 V

Rotation speed: 5000-20000 rpm/min

Chuck size：0.2-3.2 mm

Maximum grinding disc diameter: 15 mm

Main unit weight: 105 g

Overall dimensions: 157x27 mm

Power interface: USB

Gear shifting：Three-speed transmission

Configuration: Grinder+1*battery+7*grindstone wheel head+2*steel sand grinding needle+3*twist drill+3*connection rod+2*Wool grinding head+stainless steel saw blade+5*copper chuck(0.3/1.0/1.5/2.4/3.2 mm)+3*sandpaper circle+3*bowl shaped nylon brush

Model: DM520S2(rechargeable and plug-in)

Grinder voltage：DC 4.2 V

Voltage Input: 110-240 V

Rotation speed: 5000-20000 rpm/min

Chuck size：0.2-3.2 mm

Maximum grinding disc diameter: 15 mm

Main unit weight: 115 g

Overall dimensions: 156x28 mm

Power interface: USB

Gear shifting：Three-speed transmission

Configuration: Grinder+1*battery+7*grindstone wheel head+2*steel sand grinding needle+3*twist drill+3*connection rod+2*Wool grinding head+stainless steel saw blade+5*copper chuck(0.3/1.0/1.5/2.4/3.2 mm)+3*sandpaper circle+3*bowl shaped nylon brush

Model: DM520C(lithium battery rechargeable)

Grinder voltage：DC 12 V

Voltage Input: 110-240 V

Rotation speed: 5000-25000 rpm/min

Chuck size：0.2-3.2 mm

Maximum grinding disc diameter: 15 mm

Main unit weight: 455 g

Overall dimensions: 239x53 mm

Power interface: USB

Gear shifting：Seven-speed transmission

Configuration: Grinder+1*battery+7*grindstone wheel head+2*steel sand grinding needle+3*twist drill+3*connection rod+2*Wool grinding head+stainless steel saw blade+5*copper chuck(0.3/1.0/1.5/2.4/3.2 mm)+3*sandpaper circle+3*bowl shaped nylon brush

Features & Details

• Advanced Technology: Our machine adopts copper motor that offers strong power and durability with low noises. Suitable for grinding, drilling and polishing paper, stone, woods, carbon steel, iron, stainless steel, and other metals.
• Convenient Design: This grinder is designed with dual power input interfaces. You can use it anywhere with a power bank.  Also, you can control the speed in 3/7 levels. It is the perfect entry-level grinder choice.
• Easy Control Panel : The grinding machine has knobs to support different speed control. The light display is clear and easy to read. With this multi-function grinding/polishing machine, you will save time and money when meeting different  needs.
• Compact and Portable: Lightweight 1 pound, with a comfortable handle, easy to install and store. Ideal for indoor and outdoor usage.