1. Introduction
Thank you for choosing the JOSGLOI YG618 Electric Nail Drill. This professional-grade nail file kit is designed for efficient and precise nail care, suitable for both salon and home use. Featuring a powerful 40000RPM motor, LCD display, and a variety of drill bits, it simplifies tasks such as grinding, carving, cutting, polishing, and removing various nail enhancements.
Package Contents:
- 1 x Nail Drill Host
- 1 x Nail Drill Pen (Handle)
- 12 x Nail Drill Bits (various types)
- 6 x Sanding Bands
- 1 x Ceramic Bit
- 1 x User Manual
- 1 x Connecting Wire
- 1 x US Adapter

Image: Overview of the complete JOSGLOI Electric Nail Drill Kit, including the main unit, drill pen, various bits, and power accessories.
2. Safety Information
- Clean the nail drill bits before use.
- Use only standard nail drill bits.
- Keep the drill bit clamped when not in use.
- If abnormal vibration or sound occurs, stop using it immediately.
- Avoid touching rotating parts.
- Do not allow children to use this device.
3. Setup
- Connect Power: Connect the US adapter to the 'INPUT' port on the back of the nail drill host. Plug the adapter into a power outlet.
- Connect Handpiece: Connect the coiled wire from the nail drill pen (handpiece) to the 'MOTOR' port on the back of the host unit.
- Insert Drill Bit:
- Rotate the handpiece sleeve to the left until you hear a click to unlock it.
- Insert your desired drill bit fully into the opening.
- Rotate the handpiece sleeve to the right to lock the drill bit securely in place.

Image: Visual instructions for inserting drill bits and connecting the power and handpiece to the main unit.
4. Operating Instructions
- Power On/Off & Speed Adjustment: Rotate the crystal knob clockwise to turn on the device and increase the speed. The LCD screen will display the speed from 00 to 40, representing 0-40000 RPM. Rotate counter-clockwise to decrease speed and turn off.
- Forward/Reverse Rotation: The default rotation is 'F' (Forward) when powered on. Press the 'F/R' button to change the direction to 'R' (Reverse). Press again to return to forward rotation. This allows for comfortable use by both left-handed and right-handed individuals.
- Pause Function: Press the pause/play button briefly for one second to pause operation. Press again for one second to resume work at the previously set speed.
- USB Charging Port: The unit includes a USB output port on the back, allowing you to charge your phone or other small devices while using the nail drill.

Image: The control panel with LCD display, speed knob, and function buttons for the JOSGLOI nail drill.

Image: Features of the JOSGLOI nail drill including one-key speed control, two-way rotation, and beginner-friendly design.
Video: Official JOSGLOI demonstration of the 40000RPM Electric Nail Drill Machine Kit, showcasing its features and operation.
5. Attachments and Usage
The JOSGLOI YG618 comes with 12 different nail drill bits and sanding bands, designed for various nail care tasks:
- Needle Head: Polish nail edges.
- Oval Bit: Remove and polish.
- Barrel Bit: Smooth and polish nail surface.
- Mandrel + Sanding Band: Polish hard and rough nails.
- Cone: Polish nail edges.
- Coarse Disc Bit: Grind and exfoliate.
- Ceramic Corn Head: Polish nail cuticle area and sidewalls.
- Felted Wool Bit: Polish and clean nail surface debris.
- Large Barrel: Buff nail surface.
- Umbrella Top Bit: Reach to sidewalls and cuticles.
- Small Barrel: Buff nail surface.
These tools are suitable for removing natural acrylic nails, gel polish, dip powder nails, calluses, and cuticles.

Image: Detailed view of the first six drill bits and their specific functions.

Image: Detailed view of the second set of six drill bits and their specific functions.

Image: The nail drill is shown to be suitable for various nail types and procedures.
6. Maintenance
- Cleaning: After each use, clean the drill bits and the handpiece to remove any dust or debris. Use a soft brush or a damp cloth. Ensure the device is unplugged before cleaning.
- Storage: Store the nail drill host and handpiece in a dry, cool place. The host unit features a dedicated storage hole for the drill pen and 6 holes for frequently used drill bits, keeping your workspace tidy and organized.

Image: The compact design of the nail drill, highlighting the USB port and integrated storage for the drill pen and bits.
7. Troubleshooting
- 'E-' Error Message: If the LCD displays 'E-', it indicates that the handpiece is in the unlocked position or a drill bit is not properly inserted. Ensure the handpiece sleeve is rotated to the right to lock the bit before operating.
- Abnormal Vibration/Sound: If you experience unusual vibration or sound during operation, immediately stop using the device. Check if the drill bit is securely locked and not bent. If the issue persists, discontinue use and contact customer support.
- Drill Not Turning On: Ensure all power connections are secure and the adapter is properly plugged into a working outlet. Rotate the crystal knob clockwise to power on and adjust speed.
8. Specifications
| Product Dimensions | 6.4"L x 2.8"W x 2"H |
| Item Weight | 1.15 Pounds |
| Item Model Number | YG618 |
| Brand | JOSGLOI |
| Material | Acrylonitrile Butadiene Styrene (ABS), Aluminum, Metal |
9. Warranty and Support
For warranty information, technical support, or any questions regarding your JOSGLOI YG618 Electric Nail Drill, please refer to the contact information provided in your product packaging or visit the official JOSGLOI website.