Carbide nail drill bit frustum blue head EXPERT diameter 4 mm / working part 13 mm
Carbide nail drill bit frustum blue head EXPERT diameter 4 mm / working part 13 mm

Vendor:STALEKS

FT70B040/13

Carbide nail drill bit frustum blue head EXPERT diameter 4 mm / working part 13 mm

$28.00 AUD
Head Size
Head Size: 4mm / 13mm
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Tungsten carbide frustum (tapered cone) drill bit with medium blue grit, offering a broad working surface that narrows to a precise tip for versatile nail correction and surface filing.

Key Features

  • Frustum shape — tapered cone profile handles both surface work and tighter areas with precision
  • Blue medium grit — general-purpose for gel removal, surface preparation, and everyday salon work
  • 4 mm head / 13 mm working part — compact dimensions for controlled, detailed material removal
  • Universal 2.35 mm shank — fits all standard e-file machines

Ideal For

Professional nail technicians performing artificial nail correction, crack processing on feet, and precision shaping of hard coatings.

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Specifications
Series
Expert
Tool Type
Carbide nail drill bit
Material
Tungsten carbide
Disinfection
All standard methods
Sterilisation
All methods — autoclave, dry-heat oven, chemical
Grit
Blue — Medium
Shank Diameter
2.35mm
Head Shape
Frustum
Head Diameter
4mm
Working Part Length
13mm
Rotation Direction
Forward and reverse
Care & Sterilisation

Keep your carbide drill bit performing at its best:

After each client: Remove debris from the flutes using a brass cleaning brush under running water. Never use steel brushes as they can damage the cutting edges.

Disinfection: Immerse in your approved disinfectant solution for the recommended contact time.

Sterilisation: Compatible with autoclave (up to 134 degrees C), dry-heat oven, and chemical sterilisation. Dry thoroughly before storage.

Storage: Store in a dry, ventilated bit holder or organiser. Avoid loose storage where bits can knock against each other and chip.

Replacement: Replace when flutes are visibly worn, the bit vibrates excessively, generates more heat than usual, or no longer cuts cleanly.

About This Series

The STALEKS PRO Expert series represents the professional standard in nail drill bits. Each bit is precision-manufactured for consistent performance, featuring sharp cutting geometry, corrosion-resistant materials, and compatibility with all standard sterilisation methods. The Expert line is designed for daily professional use in salon and clinic environments.

FAQs

What do the colour bands on drill bits mean?

The colour band indicates the grit (coarseness) of the drill bit. Blue is medium grit for general-purpose work like gel removal and surface prep. Red is fine grit for finishing and sensitive areas. Green is coarse for fast material removal. Yellow is extra-fine for polishing. Violet/purple is super-coarse for heavy-duty work. Black is extra-coarse for maximum material removal.

What is the difference between carbide and diamond drill bits?

Carbide drill bits use tungsten carbide cutting flutes that slice through material, making them ideal for removing gel polish, acrylic, and hard coatings quickly with less heat. Diamond drill bits use diamond grit coating that grinds material away, making them better for cuticle work, detailed shaping, and working on natural nails. Both are sterilisable and reusable.

How do I sterilise nail drill bits?

After each client, brush debris from the flutes under running water using a brass cleaning brush. Soak in your approved disinfectant for the required contact time. Sterilise using autoclave (up to 134 degrees C), dry-heat oven, or chemical sterilisation. Carbide and diamond bits are compatible with all standard sterilisation methods. Dry thoroughly before storage.

What RPM should I use with nail drill bits?

For manicure work, 15,000-20,000 RPM is typical for gel and acrylic removal. For pedicure and callus work, 10,000-15,000 RPM provides good control. For cuticle work and natural nail finishing, keep below 15,000 RPM. Always start at a lower speed and increase gradually. Coarser bits generally require lower speeds than finer bits.

Which drill bit shape should I choose?

Corn (barrel) shapes are versatile for surface removal and nail shortening. Flame shapes are ideal for cuticle area cleanup and under-nail work. Ball shapes work well for sidewall cleanup and detailed cuticle work. Cone shapes are great for backfill and surface filing. Cylinder shapes provide flat, even surface preparation. Choose based on the area you are working on and the precision required.