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Home > News > Products News > 7.0mm Tungsten Carbide Volcano Nail Drill Bit – Precision Cuticle & Shaping Tool with Nano PVD Coating

7.0mm Tungsten Carbide Volcano Nail Drill Bit – Precision Cuticle & Shaping Tool with Nano PVD Coating

Aug. 13, 2026

7.0mm Tungsten Carbide Volcano Nail Drill Bit – Precision Cuticle & Shaping Tool with Nano PVD Coating


Elevate your nail artistry with the 7.0mm Tungsten Carbide Volcano Bit, engineered for professionals who demand speed, precision, and durability. Whether you are removing product, refining shapes, or finishing details, this bit delivers a superior experience that sets a new standard in nail preparation.

Superior Cutting Power & Ergonomic Design
Featuring a straight-flute design with a larger cutting area, this bit removes product faster and more efficiently than standard options, significantly reducing your working time. The tapered cone shape is ergonomically crafted to follow the natural contours of the nail bed, allowing for effortless gliding around the cuticle area without damaging the skin.

Flawless Visibility & Unmatched Precision
Enjoy a clearer line of sight during your service. The optimized tip design ensures you can see exactly where you are working, increasing accuracy for crisp, clean lines. The bit’s high flexibility makes it perfect for both detailed cuticle work and swift surface refinement.

Gentle on Skin, Aggressive on Product
Unlike harsh bits, the top portion of the Volcano Bit is engineered with a grinding effect that allows for safe, gentle contact with the skin. This makes it ideal for cleaning the proximal fold and removing thin layers of cuticle without causing trauma or discomfort to your client.

Built to Last with Nano PVD Coating
Durability is at the core of this tool. The bit is fortified with a Nano PVD (Physical Vapor Deposition) vacuum coating, which significantly increases surface hardness. This advanced plating offers:

  • Enhanced Durability: Resists chipping and wear, ensuring a longer lifespan.

  • Superior Heat Dissipation: Prevents the bit from overheating even during high-speed rotation, protecting the natural nail.

  • High Corrosion Resistance: Maintains its pristine condition against liquid monomers and disinfectants.

Product Specifications:

  • Diameter: 7.0mm

  • Material: Medical-Grade Tungsten Carbide

  • Coating: Nano PVD Vacuum Plating

  • Grit: Fine/Medium (Ideal for finishing and cuticle work)

  • Shank: 3/32" (Standard for most e-files)

Perfect For:

  • Cuticle cleaning and detailing

  • Refining gel and acrylic shapes

  • Smoothing sidewalls

  • Final finishing touches



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