The 2UUL DA85 CVT Pro Coreless Motor Grinder is a professional cordless precision grinder designed for smartphone repair, motherboard maintenance, and micro-electronics rework. Equipped with a high-performance coreless motor, stepless speed control, and an OLED digital display, it delivers powerful torque, smooth operation, and exceptional precision for grinding, polishing, trimming, and IC repair tasks.
Designed for professional repair technicians, the DA85 offers stable, low-vibration performance with precise speed adjustment, making it ideal for delicate motherboard repairs, CPU rework, frame trimming, and camera module refinishing. Its cordless design and long battery life provide maximum flexibility for repair shops and mobile technicians.
◆ Key Features
✔ High-Performance Coreless Motor
Powered by a premium coreless motor that delivers stronger torque, faster startup, and smoother, low-vibration operation for precision repair work.
✔ Stepless Speed Control
Continuously adjustable speed from 100–12,000 RPM, allowing technicians to fine-tune performance for grinding, polishing, cutting, and finishing different materials.
✔ OLED Digital Display
The built-in OLED screen displays real-time operating information, including rotation speed, torque level, and forward/reverse rotation direction for improved control.
✔ Cordless Rechargeable Design
Powered by dual 2000mAh lithium batteries (4000mAh total), providing up to 8 hours of continuous operation on a single charge.
✔ USB Type-C Charging
Modern USB-C charging interface enables fast and convenient charging using compatible adapters or power banks.
✔ Multiple Collet Sizes
Includes three precision collets (0.5–1.5mm, 1.0–2.35mm, and 2.3–3.0mm) to accommodate a wide variety of grinding bits and accessories.
✔ Includes 10 Precision Grinding Heads
Supplied with 10 interchangeable grinding heads, suitable for polishing, trimming, grinding, deburring, and precision finishing.
✔ Wide Range of Applications
Perfect for:
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Smartphone motherboard repair
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CPU & BGA chip grinding
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IC polishing
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PCB edge trimming
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Camera frame cutting
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Screen frame refurbishment
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Precision electronics repair
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Watch and small device maintenance
◆ How to Use
Step 1: Select the Appropriate Grinding Head
Choose the grinding bit that best matches your repair application.
Step 2: Install the Collet and Bit
Insert the correct collet and securely tighten the grinding head before use.
Step 3: Adjust the Speed
Use the stepless speed control to select the appropriate RPM for the material being worked on.
Step 4: Perform Precision Grinding
Hold the grinder like a pen and apply light, controlled pressure for accurate polishing or grinding.
Step 5: Clean and Store
Power off the tool, remove debris from the grinding head, and store all accessories in the protective case.
◆ Maintenance Tips
✔ Clean After Every Use
Remove grinding dust and debris from the collet and grinding heads to maintain smooth operation.
✔ Avoid Excessive Pressure
Allow the motor and grinding bit to perform the work without forcing the tool.
✔ Charge Regularly
Recharge the battery before it becomes fully depleted to maximize battery lifespan.
✔ Store in a Dry Environment
Keep the grinder and accessories clean, dry, and protected when not in use.
◆ Specifications
| Item | Details |
|---|---|
| Brand | 2UUL |
| Model | DA85 |
| Product Name | CVT Pro Coreless Motor Grinder |
| Motor Type | Coreless Motor |
| Speed Range | 100–12,000 RPM |
| Battery Capacity | 2 × 2000mAh Lithium Batteries |
| Charging Port | USB Type-C |
| Display | OLED Digital Display |
| Collet Sizes | 0.5–1.5mm / 1.0–2.35mm / 2.3–3.0mm |
| Application | Mobile Phone, PCB & Precision Electronics Repair |
◆ Package Includes
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1 × 2UUL DA85 CVT Pro Coreless Motor Grinder
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10 × Precision Grinding Heads
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3 × Precision Collets
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1 × USB Type-C Charging Cable
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1 × Hex Wrench
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1 × Storage Case
The 2UUL DA85 CVT Pro Coreless Motor Grinder is an advanced precision repair tool built for professional technicians. Featuring a powerful coreless motor, OLED display, adjustable speed control, and comprehensive accessory kit, it delivers exceptional performance for smartphone repair, PCB maintenance, BGA rework, and other precision electronic applications.
◆ Hassle-Free Contact
We're here to help! If you have any questions about this product, need technical assistance, or require support with your order, feel free to contact our team.
Email: sales@isupplyparts.com
We are committed to providing professional support and a smooth shopping experience for all repair technicians and customers.
