Diamond drill bits D-90 size head 2.1x8 mm

Model D90 is a popular flame-shaped diamond nail drill bit with a rounded tip, widely used by professional nail technicians for both manicure and pedicure procedures.
The rounded flame design provides excellent control, safety, and precision, making it suitable for delicate cuticle work as well as intensive pedicure treatments.

This bit is ideal for e-file manicures, cuticle lifting, nail wall cleaning, and skin refinement, offering smooth performance without sharp edges.

Available Grit Variants

 Extra Fine (Yellow) Recommended for:

• Lifting very sensitive cuticles
• Polishing the cuticle zone after cuticle removal
  Ideal for clients with thin skin and for ultra-delicate finishing work.

 Fine (Red) Recommended for:

• Polishing the cuticle area after cuticle removal
  Perfect for gentle refinement and smooth finishing in classic and combo manicures.

 Medium (Blue) Recommended for:

• Lifting cuticles before strengthening the nail plate with biogel or acrylic
• Cleaning the nail wall
  A versatile option for daily professional use.

 Coarse (Green) Recommended for:

• Cleaning and shaping nail plates
• Lifting and removing rough cuticles
• Cleaning nail grooves
• Treating hyperkeratosis, small corns, and calluses
  Ideal for advanced manicure and pedicure procedures.

Maintenance

After each client:

• Wash and clean the bit thoroughly
• Sterilize according to salon standards
• Dry completely before storage
• Disinfect using a solution with at least 70% alcohol

Proper maintenance ensures long service life and safe professional use.

Technical Specifications

• Maximum Speed: up to 25,000 RPM
• Shank Diameter: 3/32” (standard)
• Total Length: 45 mm
• Head Size: 2.1 × 8.0 mm
• Shape: Flame with rounded tip
• Head Material: Diamond
• Shank Material: Stainless steel

US + Canada:

• All orders are processed within 1-4 business days.
• Regular shipping cost is $8 for orders below $99 and free for orders of $99 or more.
• Express shipping cost is $20 for orders below $99 and $12 for orders of $99 or more.
• We ship all orders with a tracking number and require a signature for larger orders.
• Please note that we are not responsible for any lost or stolen items during shipping.

Worldwide:

• All orders are processed within 2-5 business days.
• Shipping costs depend on the location and will be calculated at checkout.
• We ship all orders with a tracking number.
• Please note that we are not responsible for any lost or stolen items during shipping.

Returns:

• We generally do not accept returns for U-tools products as they fall under the category of personal care goods (beauty products), unless there is a manufacturer's defect.
• However, if you have ordered the wrong item, we are open to discussing your options on an individual basis. Please contact us at hello@u-tools.ca to discuss your situation.
• If you decide to return an item that is not due to a fault on our part, a shipping fee and restocking fee may be deducted from the refund.

Please keep in mind that shipping may be delayed due to factors beyond our control, such as postal service delays or high volume of orders. We will do our best to ensure timely delivery, but such delays are not within our responsibility.

If you have any further questions or need additional assistance, please let us know!