rotary · Model 104

104 USB Rechargeable Engraving Pen

Cordless pen-style rotary tool for engraving, polishing, grinding and detail work.

The Electric Engraving Pen 104 is a high-speed mini rotary tool designed for precision engraving, polishing, micro drilling, and electronics repair applications. Featuring a compact pen-style design (119mm, only 40g) and a powerful 18,000 RPM motor, this tool delivers smooth, stable performance for delicate and detailed work. Equipped with a 2.35mm metal chuck and 30PCS high-speed steel grinding bits, it supports a wide range of tasks including DIY carving, jewelry polishing, PCB repair, and model making.

Built with a durable aluminum alloy handle and ABS housing, this engraving pen ensures long-lasting use while maintaining lightweight portability. The 3-speed adjustable control with LED indicator allows precise operation across different materials. Powered by a 300mAh rechargeable lithium battery with Type-C fast charging, it supports continuous work while charging, improving efficiency for professional users.

Torque / mode

3 speeds

Speed

18,000 RPM

Configuration

30 accessories

Material

Aluminum alloy

Best for

Engraving & polishing

Starting MOQ

500 pcs

Samples are typically available in 3–5 days. Product-specific specifications and compliance documents can be confirmed before ordering.