1. Introduction
The ARROWMAX SGS MAX is a smart mini electric engraving and polishing pen designed for precision craftsmanship. This versatile cordless rotary tool is perfect for a wide range of applications, from intricate jewelry work to customizing wood, glass, and metal. With its advanced features and comprehensive accessory set, the SGS MAX empowers users to achieve professional-grade results in their DIY projects and creative endeavors.
Its ergonomic design and intuitive controls ensure ease of use, while the powerful motor and long-lasting battery provide reliable performance. Explore the capabilities of your SGS MAX and unlock new possibilities for your crafting projects.
2. Package Contents
Please check the box for the following items:
- SGS MAX Electric Engraving Pen
- Aluminum alloy storage box
- Type-C USB magnetic cable
- 12 Polishing bits
- 30 Engraving bits


3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | ARROWMAX |
| Model Number | SGS MAX |
| Speed Range | 10000-30000 RPM (Hollow Cup Motor) |
| Application | Home DIY, Crafts, Jewelry, Wood, Glass, Carving |
| Certification | CE, FCC, RoHS |
| Origin | Mainland China |
| Power Source | Built-in Lithium Battery |
| Battery Capacity | 500 mAh High-energy LiPo Battery |
| Uninterrupted Work Time | Up to 120 Minutes |
| Bit Compatibility | 2.35mm diameter bits |
| Body Material | Aluminium Alloy (CNC-Aluminium) |
| Display | OLED Display |


4. Setup
4.1 Charging the Device
Before first use, fully charge your SGS MAX. Connect the provided Type-C USB magnetic cable to the magnetic charging port on the pen and to a compatible USB power adapter (not included). The status display will show the battery charging status. A full charge provides up to 120 minutes of uninterrupted work.

4.2 Installing/Changing Bits
The SGS MAX features an easy chucking system that allows for quick bit changes without additional tools. Simply insert the desired 2.35mm diameter bit into the chuck at the tip of the pen. Ensure the bit is securely seated before operation.

5. Operating Instructions
5.1 Power On/Off
To turn on the SGS MAX, press the Power Button. The OLED display will illuminate, showing battery status and current settings. The device will automatically shut down after 10 seconds of inactivity to conserve battery life.
5.2 Speed and Direction Control
The SGS MAX offers 5 RPM modes for various applications:
- Mode A (Auto Sensing): 10000-30000 RPM. In this mode, press and rotate the pen left or right to vary the speed based on your twist angle. Release to maintain the selected speed.
- Mode 1 (Low): 15000 RPM (Fixed Speed)
- Mode 2 (Medium): 20000 RPM (Fixed Speed)
- Mode 3 (High): 25000 RPM (Fixed Speed)
- Mode 4 (Maxium): 30000 RPM (Fixed Speed)
To switch between modes, triple-tap the Power Button. To stop operation, press the Power Button again.


5.3 Applications
The SGS MAX is suitable for engraving and polishing various materials, including:
- Crystal
- Wood
- Gold
- Glass
- Stone
- Metal


5.4 Product Demonstration Video
Watch this video for a comprehensive demonstration of the SGS MAX, including unboxing, bit changing, charging, operating modes, and engraving examples.
6. Maintenance
6.1 Cleaning
After each use, gently wipe the body of the engraving pen with a soft, dry cloth to remove any dust or debris. Ensure no particles enter the chuck mechanism. Do not use harsh chemicals or abrasive cleaners.
6.2 Storage
Store the SGS MAX and its accessories in the provided aluminum alloy storage box when not in use. This protects the device and bits from damage and keeps them organized. Store in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
7.1 Device Not Turning On
- Ensure the battery is charged. Connect the device to a power source using the magnetic USB cable and check the battery indicator on the display.
- Press and hold the power button for a few seconds to ensure it registers.
7.2 Bit Not Spinning or Loose
- Ensure the bit is correctly inserted and securely fastened in the chuck.
- Verify that the device is powered on and in an active speed mode.
7.3 Inconsistent Speed in Mode A
- Ensure you are rotating the pen smoothly to adjust the speed. Release the rotation to lock in the desired speed.
- If the issue persists, try switching to one of the fixed speed modes (1-4) to see if the motor functions correctly.
7.4 Missing Charger
- The product includes a Type-C USB magnetic cable for charging. A wall adapter is typically not included and needs to be supplied by the user.
8. User Tips
- For optimal precision, especially on delicate materials, utilize Mode A (Auto Sensing) and adjust the speed by gently twisting the pen. This allows for fine-tuned control over the RPM.
- Remember that the SGS MAX is compatible with any 2.35mm diameter bits, offering a wide range of customization options beyond the included accessories.
- Always ensure your work surface is stable and secure to prevent accidental slips and ensure precise engraving or polishing.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official ARROWMAX website or contact your retailer. Keep your proof of purchase for any warranty claims.





