Diamond drill bit D-25, head size 2.5x2.5mm

The Diamond Nail Drill Bits D25 – Inverted Cone are a precision tool designed for professional manicure and pedicure procedures. Their unique inverted cone shape allows for controlled, detailed work in hard-to-reach areas, making it an essential bit for nail technicians who value accuracy and versatility.

This bit are ideal for cuticle care, nail plate detailing, and design work, including French manicure lines and linear patterns. The high-quality diamond coating ensures durability, smooth operation, and consistent performance.

Key Benefits

• Inverted cone shape for precise detailing and controlled material removal
• Ideal for cuticle lifting, nail wall work, and sinus cleaning
• Excellent for French manicure lines and linear nail designs
• High-quality diamond head for long-lasting performance
• Compatible with all standard 3/32″ nail drill machines

Available Grit Options

Fine (Red) – Delicate Skin & Precision Work

• Gently treats pterygium
• Lifts non-adherent cuticles
• Safely opens sinuses
• Cleans periungual sinuses with minimal trauma

Medium (Blue) – Versatile Professional Use

• Efficiently lifts non-adherent cuticles
• Opens sinuses with controlled precision
• Processes side rollers accurately
• Shapes and smooths nail edges for rounded corners
• Outlining strokes with high accuracy
• Controlled detailing during nail build-up procedures

Maintenance 

For safe and long-term use:

• Wash, clean, sterilize, and thoroughly dry the bit after each client
• Disinfect using a solution containing at least 70% alcohol

Specifications

• Speed Recommendation: Up to 25,000 RPM
• Shank Diameter: 3/32″ (2.35 mm)
• Total Length: 45 mm
• Head Size: 2.5 × 2.5 mm
• Bit Shape: Inverted Cone
• Material (Head): Diamond
• Material (Shank): 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!