1. Introduktion
Thank you for choosing the COSLUS Cordless Nail Drill Electric File. This professional-grade tool is designed for efficient and precise manicure and pedicure tasks, including shaping, buffing, and removing various nail enhancements. Its cordless, lightweight design ensures comfort and portability. Please read this manual thoroughly before first use to ensure safe and optimal performance.
2. Sikkerhedsoplysninger
For at forhindre skade eller beskadigelse skal du altid overholde følgende sikkerhedsforanstaltninger:
- Hold enheden væk fra vand eller andre væsker.
- Du må ikke skille enheden ad eller forsøge at reparere den selv. Kontakt kundesupport for at få hjælp.
- Ensure the correct bit is securely inserted before operation.
- Avoid applying excessive pressure, which can cause the device to stop or damage the nail.
- Opbevares utilgængeligt for børn.
- Use only the provided accessories and bits.
- If the device becomes clogged, it will automatically turn off after 20 seconds. Clear the obstruction before resuming use.
- Avoid spilling acetone on the device, especially near the buttons, as it can damage the plastic.
3. Pakkens indhold
Bekræft at alle varer er til stede i din pakke:
- 1 x COSLUS Cordless Nail Drill Electric File
- 6 x Professional Grinder Bits (Metal Bit Set)
- 31 x Slibebånd
- 1 x USB-C Charging Cable (Adapter not included)

Image: The COSLUS Cordless Nail Drill Electric File, showing the main unit, various metal bits, and a large quantity of sanding bands.
4. Produktet er slutview
The COSLUS Cordless Nail Drill features a sleek, pen-shaped design for comfortable handling. Key components and controls are detailed below:

Image: A diagram illustrating the power button, acceleration button, deceleration button, and direction switch on the nail drill.
- Power knap: Tryk længe for at tænde eller slukke for enheden.
- Acceleration Button (+): Short press to increase speed (3 gear safe acceleration).
- Deceleration Button (-): Short press to decrease speed (3 gear safe deceleration).
- Retningsskift: Double click to switch rotation direction (Forward/Reverse).
- Pause knap: One click to pause operation.
- Indikatorlys: Display battery level and speed settings.
Grinding Head Configurations:
The kit includes 6 basic drill bits suitable for various nail care needs:

Billede: Nærbillede view of the six different grinding bits included with the nail drill, along with sanding bands.
- Konisk borehoved: Used for polishing nail sidewalls and cuticles.
- Sikkerhedsbit: Used to remove bulge parts on the nail surface and nail polish.
- Nålebit: For nail carving and corner filing.
- Lille tønde: Buffs nail surface and removes nail polish & acrylic nails.
- Stor tønde: Buffs nail surface and removes nail polish & acrylic nails.
- Dorn + Slibebånd: For general filing and shaping.
5. Opsætning
Opladning af enheden:
The COSLUS Nail Drill features a fast-charging battery that provides up to 6 hours of use on a single charge. It can be fully charged in approximately 1 hour.
- Connect the provided USB-C charging cable to the charging port on the nail drill.
- Connect the other end of the USB-C cable to any 5V adapter (not included).
- Indikatorlamperne viser opladningsstatus.
- Enheden kan bruges under opladning.

Image: The COSLUS Nail Drill connected to a USB-C charging cable, demonstrating its charging capability.
Inserting Drill Bits:
Proper insertion of the drill bit is crucial for safe and effective operation.
- Ensure the device is turned off before inserting or removing bits.
- Gently pull out any existing drill bit.
- Insert the desired drill bit firmly into the chuck until it clicks into place. Ensure there is a small gap (distance) between the bit and the drill body for correct installation.
- Do not force the bit. If it does not insert easily, check for obstructions.

Image: A four-panel illustration showing the correct and incorrect methods for inserting a drill bit into the nail drill.
6. Betjeningsvejledning
Grundlæggende betjening:
- Tænd/sluk: Tryk længe på tænd/sluk-knappen for at tænde eller slukke for enheden.
- Justering af hastighed: Use the '+' button to increase speed and the '-' button to decrease speed. The device offers 3 gear safe acceleration/deceleration.
- Ændring af retning: Double click the direction switch button to toggle between forward (FWD) and reverse (REV) rotation.
- Pause handling: Click the pause button once to temporarily stop the drill. Click again to resume.

Image: An illustration of the COSLUS Nail Drill's internal motor and the arrows indicating forward (FWD) and reverse (REV) rotation capabilities.
Applikationstip:
- Start with a low speed setting, especially if you are a beginner.
- Apply light, consistent pressure. Avoid pressing too hard, which can cause the drill to slow down or stop.
- Move the drill bit smoothly across the nail surface.
- Use appropriate bits for specific tasks (e.g., conical bit for cuticles, barrel bits for surface work).

Image: A collage showing different nail and skin conditions (acrylic/gel nail, dip powder nail, callus, thick nail, dead skin, cuticle) that the nail drill can address.
Officiel produktvideo:
Video: An official product video from COSLUS demonstrating the features and use of the Cordless Nail Drill. This video highlights the drill's portability and ease of use for various nail care tasks.
7. Vedligeholdelse
Rensning:
- Sluk altid apparatet og tag stikket ud af stikkontakten inden rengøring.
- Tør hovedenheden af med en blød, tør klud. Brug ikke skrappe kemikalier eller slibende rengøringsmidler.
- Clean drill bits after each use. You can use a small brush or an ultrasonic cleaner for thorough cleaning.
- Ensure bits are completely dry before storing.
Opbevaring:
- Opbevar sømboremaskinen og dens tilbehør et køligt, tørt sted, væk fra direkte sollys og fugt.
- Keep all components in their original packaging or a protective case to prevent damage.
- Sørg for, at enheden er fuldt opladet inden langtidsopbevaring for at bevare batteriets tilstand.

Image: The COSLUS Nail Drill and its bit case neatly stored in a drawer, demonstrating its compact size and ease of storage.
8. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tændes ikke. | Low battery; Device not charged; Power button not pressed long enough. | Charge the device fully. Long press the power button for 2-3 seconds. |
| Drill bit stops or slows down during use. | Excessive pressure applied; Bit clogged with debris; Low battery. | Reduce pressure. Clean the drill bit. Recharge the device. |
| Device heats up excessively. | Langvarig kontinuerlig brug; Blokeret ventilation. | Allow the device to cool down. Ensure ventilation ports are clear. The device is designed for low heat operation due to its aluminum case and upgraded motor. |
| Bit is difficult to insert or remove. | Incorrect alignment; Debris in chuck. | Ensure proper alignment. Clean the chuck area. Do not force the bit. |
9. Specifikationer
- Modelnavn: BK-A08
- Varemodelnummer: C20(BK-A08)
- Mærke: COSLUS
- Strømkilde: Batteridrevet
- Batteri: 1 Lithium Ion batteri påkrævet (medfølger)
- Batterilevetid: Up to 6 hours (after 1 hour charge)
- Materiale: Metal
- Varens vægt: 90.72 gram (ca. 0.2 lbs)
- Produktdimensioner: 5.9 x 1.02 x 0.82 tommer
- Fabrikant: COSLUS
- Oprindelsesland: Kina
10. Garanti og support
COSLUS is committed to providing high-quality products. For any issues or inquiries, please refer to the following:
- Brugermanual (PDF): Download brugermanual
- Brugervejledning (PDF): Download brugervejledning
- Producentkontakt: Please contact COSLUS customer service through the retailer's platform or the official COSLUS website for warranty claims or technical support.
- Note on Adapter: An adapter is not included to avoid wasting resources. You can charge it using any 5V adapter on hand. If needed, you may obtain one from COSLUS.





