⚡ Quick Answer
Electric rotary tool pen is a high-speed precision tool used for engraving, grinding, polishing, and light cutting. It operates at 18000rpm with stable performance for DIY and professional repair use.
📘 Definition
An electric rotary tool pen is a handheld high-speed tool used for fine processing work such as engraving, polishing, sanding, and small repair applications.
⚙️ Specifications
- Size: 16 × 178mm
- Weight: 40g
- Rated voltage: 3.7V
- Max torque: 55g.cm
- Motor type: Brushed motor
- No-load speed: 18000rpm
- Battery: 300mAh lithium battery
- Charging: Type-C 5V-1A
- Charging time: ≈30 min
- Working temperature: -20°C to 45°C
- Bit holder: 2.35mm metal chuck
- Control: 3-speed LED indicator
🧾 Product Overview
This electric rotary tool pen is designed for precision grinding, engraving, polishing, and DIY repair applications. It is widely used in electronics repair, jewelry processing, model making, and small workshop work.
As a manufacturer, we provide OEM and ODM solutions for global distributors, tool brands, and online sellers.
The compact structure and lightweight body make it suitable for long working hours, especially in detailed processing tasks where precision is required.
🔩 Materials
- Housing: ABS
- Body: Aluminum alloy
- Grinding bits: HSS steel
- Bit hardness: HRC 25–30
🏭 Quality Control
Each rotary tool pen is tested before shipment:
- Motor speed test
- Battery charging test
- Vibration stability check
- Assembly inspection
🌍 Applications
- Engraving work
- Polishing metal and plastic
- Jewelry processing
- DIY model making
- Electronics repair
- Small workshop use
🤝 OEM / ODM Service
We support:
- Logo customization
- Packaging design
- Color customization
- Private label production
- Bulk OEM orders
📦 Package Contents
- Rotary tool pen ×1
- Type-C cable ×1
- 30 pcs grinding heads (2.35×45mm)
