1. Important Safety Instructions
Please read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Work Area Safety: Keep your work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock.
- Personal Safety: Always wear eye protection. Use appropriate personal protective equipment such as dust masks, non-skid safety shoes, hard hats, or hearing protection when necessary. Avoid accidental starting. Ensure the switch is in the off-position before connecting to battery pack, picking up or carrying the tool.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
- Battery Tool Use and Care: Recharge only with the charger specified by the manufacturer. Use power tools only with specifically designated battery packs.
2. Product Overview
The HARDELL 4V Cordless Rotary Tool Kit is a versatile tool designed for various crafting and DIY tasks, including cutting, sanding, polishing, drilling, and carving. It features a powerful motor, variable speed control, and a long-lasting battery.
Image 2.1: HARDELL 4V Cordless Rotary Tool Kit and included 80 accessories.
Key Features:
- Powerful Motor: Up to 28000 RPM for efficient performance.
- Variable Speed: 6 adjustable speeds (8000-28000 RPM) for different applications.
- Long Battery Life: 4000mAh lithium battery provides 60-120 minutes of continuous work.
- Fast Charging: Type-C fast charging, fully charged in 2-4 hours.
- Digital Display: Real-time display for gear speed and battery power.
- Safety Lock: Automatic spindle lock prevents accidental stops and assists accessory changes.
- Ergonomic Design: Lightweight (0.88 lbs) with soft rubber grip for comfortable use.
- Wide Compatibility: 1/8-inch chuck compatible with various rotary tool accessories.
3. Package Contents
The HARDELL 4V Cordless Rotary Tool Kit includes the following items:
- 1x HARDELL 4V Cordless Rotary Tool
- 20x Sandpaper
- 5x Large Sanding Bands
- 1x Large Sanding Drum
- 10x Small Sanding Bands
- 1x Small Sanding Drum
- 15x Standard Cutting Discs
- 5x Mesh Cutting Discs
- 1x Diamond Cutting Disc
- 1x Cutting Disc Connecting Handle
- 5x Large Wool Wheels
- 1x Wool Wheel Connecting Handle
- 2x Silicon Carbide Grinding Wheels
- 3x Aluminum Oxide Grinding Wheels
- 1x Wire Brush (flat)
- 2x 1/8-inch Chucks
- 1x 1/8-inch Drill Bit
- 1x Milling Cutter
- 3x Diamond Grinding Heads
- 1x Wrench
- 1x Type-C Data Cable
- 1x Instruction Manual
Image 3.1: Detailed layout of the 80 included rotary tool accessories.
4. Setup
4.1 Charging the Rotary Tool
Before first use, fully charge the rotary tool. The tool features a 4000mAh lithium battery and Type-C fast charging.
- Connect the provided Type-C data cable to the charging port on the tool.
- Connect the other end of the cable to a compatible USB power source (e.g., wall adapter, computer, power bank).
- The digital display will show the charging progress. A full charge typically takes 2-4 hours.
Image 4.1: The rotary tool connected to a laptop for Type-C charging, showing the visual battery reminder.
4.2 Installing Accessories
The tool features a 1/8-inch chuck compatible with various accessories. Always ensure the tool is powered off before changing accessories.
- Press and hold the spindle locking button.
- Unscrew the nut at the end of the tool.
- Select the appropriate collet for your accessory and insert it.
- Insert the desired accessory bit into the collet.
- While holding the lock button, screw the nut tightly with the provided wrench.
- Release the spindle lock button. Ensure the accessory is securely fastened before operation.
Image 4.2: Step-by-step guide for installing various accessories into the rotary tool's chuck.
4.3 Fitting Sanding Bands
- Insert the sanding drum into the collet and tighten the nut.
- Loosen the screw on the sanding drum.
- Install the sanding band onto the drum.
- Press down the spindle lock button and tighten the screw of the sanding drum with the wrench.
Image 4.3: Instructions for attaching a sanding band to the rotary tool.
4.4 Fitting HSS Cutting Discs / Sanding Paper
- Insert the wheel mandrel into the collet and tighten the nut.
- Dismantle the screw of the wheel mandrel.
- Install the wheel mandrel and assemble the HSS cutting disc or sanding paper.
- Press down the spindle lock button and tighten the screw of the wheel mandrel with the wrench.
Image 4.4: Instructions for attaching HSS cutting discs or sanding paper to the rotary tool.
5. Operating Instructions
5.1 Powering On/Off
To turn the tool on, press the power button. To turn it off, press the power button again.
5.2 Adjusting Speed
The HARDELL rotary tool features 6 variable speeds, ranging from 8000 RPM to 28000 RPM. The digital display shows the current speed setting.
- After turning on the tool, use the speed adjustment buttons (up/down arrows) to select the desired speed.
- The digital display will show the selected speed level (1-6).
- Lower speeds (8000-12000 RPM) are suitable for polishing and cleaning.
- Higher speeds (16000-28000 RPM) are ideal for grinding, sharpening, cutting, and drilling.
Image 5.1: Illustration of the 6-speed adjustment mechanism and corresponding RPM ranges for various tasks.
5.3 Monitoring Battery and Speed
The tool is equipped with a digital display that shows both the current speed setting and the remaining battery power (100%, 75%, 50%, 25%). This allows for real-time monitoring during operation.
Image 5.2: Close-up of the rotary tool's digital display indicating both the speed setting and battery charge level.
5.4 Applications
The HARDELL rotary tool is suitable for a wide range of applications:
- Cutting: Use appropriate cutting discs for materials like metal, plastic, or wood.
- Sanding: Utilize sanding bands or paper for smoothing surfaces.
- Polishing: Attach wool wheels or polishing pads for a smooth finish.
- Drilling: Use drill bits for creating small holes in various materials.
- Carving/Engraving: Employ diamond grinding heads or milling cutters for detailed work.
Image 5.3: Visual examples of the rotary tool performing cutting, sanding, engraving, polishing, and drilling tasks.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your rotary tool.
- Cleaning: After each use, wipe down the tool with a clean, dry cloth. Use a soft brush to remove dust and debris from ventilation openings. Do not use harsh chemicals or abrasive cleaners.
- Accessory Care: Clean accessories after use and store them properly to prevent damage. Replace worn or damaged accessories immediately.
- Storage: Store the tool and accessories in a dry, secure location, away from direct sunlight and extreme temperatures. Keep out of reach of children.
- Battery Care: Do not store the tool with a completely discharged battery. Recharge the battery periodically if the tool is not used for extended periods to maintain battery health.
7. Troubleshooting
If you encounter issues with your HARDELL rotary tool, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not turn on. | Battery is discharged. | Charge the battery fully using the Type-C cable. |
| Power button malfunction. | Contact customer support if charging does not resolve the issue. | |
| Tool loses power or bogs down during use. | Low battery charge. | Recharge the battery. |
| Excessive pressure applied. | Reduce pressure on the workpiece. Let the tool do the work. | |
| Incorrect speed setting for the task. | Adjust to a higher speed setting if appropriate for the material and accessory. | |
| Accessory is loose or wobbles. | Nut not tightened sufficiently. | Ensure the nut is securely tightened with the wrench after inserting the accessory. |
| Incorrect collet size. | Use the correct collet size for the accessory shank. | |
| Tool overheats. | Prolonged heavy use. | Allow the tool to cool down. Reduce workload or operating time. |
If the problem persists after trying these solutions, please contact HARDELL customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | HARDELL |
| Model Number | DM22410ORAHD-1 |
| Voltage | 4 Volts |
| Power Source | Battery Powered (Lithium Ion) |
| Battery Capacity | 4000mAh |
| Charging Type | Type-C Fast Charging |
| Minimum Rotational Speed | 8000 RPM |
| Maximum Rotational Speed | 28000 RPM |
| Variable Speeds | 6 Levels |
| Chuck Size | 1/8 inch |
| Item Weight | 1.26 pounds |
| Product Dimensions (L x W x H) | 7.6 x 1.5 x 1.4 inches |
| Included Accessories | 80 pieces (cutting discs, grinding wheels, drill bits, sandpaper, etc.) |
9. Warranty and Support
9.1 Warranty Information
This HARDELL rotary tool kit comes with a one-year warranty from the date of purchase. Additionally, a 30-day free return policy is offered to ensure your satisfaction. Please retain your proof of purchase for warranty claims.
9.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact HARDELL customer support through the retailer where the product was purchased or visit the official HARDELL website for contact information.
