2uul Da81 Chargeable Polish Drill Pen
The 2UUL DA81 is a professional-grade, cordless mini electric grinding and polishing pen engineered explicitly for micro-soldering, smartphone motherboard repair, and precision IC chipping. Whether you need to grind a CPU shield, cut a logic board screw, remove glue, or polish delicate components, this compact tool delivers stable torque and cordless convenience to your workbench.
Core Product Specifications
| Specification Parameter | Technical Details & Value |
| Brand | 2UUL |
| Model | DA81 Mini Electric Polishing Pen |
| Battery Type | Rechargeable Lithium-ion Battery |
| Charging Interface | Type-C USB Port (Fast and Convenient) |
| Speed Modes | 3-Speed Adjustable Gear System |
| Maximum Rotation Speed | Up to 15,000 RPM |
| Chuck Capacity | 2.35 mm Shank Diameter (Standard Compatibility) |
| Ergonomics | Lightweight, Pen-style Aluminum Alloy Body |
| Primary Application | Mobile Phone PCB Repair, Chip Grinding, IC Cutting, Glue Removal |
Key Features & Technician Benefits
| Feature | How It Works | Benefit for Technicians |
| Cordless Portability | Built-in rechargeable cell; no trailing power cables. | Total freedom of movement; keeps the microscopic workspace clean and clutter-free. |
| 3-Level Smart Speed Control | Toggle between low, medium, and high RPM via a single button. | Prevents overheating or over-grinding fragile smartphone components and traces. |
| Type-C Fast Charging | Uses standard smartphone charging cables and power banks. | Reduces downtime; easy to charge anywhere on a modern tech workbench. |
| Universal 2.35mm Chuck | Accommodates standard size grinding heads, drill bits, and cutters. | Highly versatile; compatible with third-party burs, wire brushes, and polishing wheels. |
| High-Torque Motor | Balanced motor prevents stalling under reasonable pressure. | Smooth, skip-free cutting on tough metal shields or hard epoxy underfill resin. |







| Weight |
0.350 |
|---|

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