Tungsten Carbide drill bit 4-1-2 Extra Fine; head size 6x14.5mm | U-tools
Tungsten Carbide drill bit 4-1-2 Extra Fine; head size 6x14.5mm | U-tools

Tungsten Carbide Nail Drill Bit 4-1-2 Extra Fine; head size 6x15mm


Regular price$21.24 CAD
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The Tungsten Carbide Nail Drill Bit, the epitome of strength, durability, and precision in nail care. Crafted from a metal alloy that surpasses traditional carbide bits by 10 times, these bits are a must-have for nail technicians seeking unparalleled performance and longevity.

Key Features:

Unmatched Strength and Durability: The hallmark of our tungsten carbide bit lies in their exceptional hardness and durability. The unique composition of the tungsten-infused metal alloy ensures longevity, providing a reliable companion for all your nail care needs.

10 Times Stronger Than Carbide Bits: Elevate your nail care experience with bit that are 10 times stronger than traditional carbide alternatives. This extraordinary strength adds a layer of resilience, setting our tungsten carbide bits apart in terms of both performance and durability.

Flute-Like Precision Cuts: What distinguishes our carbide bits are the flute-like precision cuts that enable delicate shaving of enhancement products without the risk of scratching. Say goodbye to common concerns associated with diamond bits as our precision cuts ensure a smooth and flawless nail enhancement removal process.

Versatile Grit Options: The grit scale of our carbide bits is determined by the flutes, offering a versatile range of options. Dip and large flutes deliver a coarse grit, perfect for quick material removal. Conversely, shallower flutes indicate a finer grit, ideal for intricate detailing and finishing touches.

Ideal for Acrylics and Gel Removal: Tailored for advanced users, our tungsten carbide bits excel in removing acrylics and gel enhancements. Whether you're a professional nail technician or an enthusiast seeking salon-quality results at home, these bits are designed to make your nail care routine efficient

They use:

  • initial nail polishing;
  • gentle working with keratinized nail, rough skin and callus;
  • for gel and acrylic correction;
  • gentle skin cleaning
  • preparing callus around the nails;
  • preparing thick skin around nail folds.


It's crucial to follow proper maintenance procedures after each client procedure to ensure the longevity and hygiene of your Diamond Nail Drill Bits.

Wash, clean, sterilize, and dry: thoroughly clean and sterilize all bits used during the process.

Use a 70% Alcohol Solution:

Ensure effective disinfection by using a solution with at least 70% alcohol.


 Speed recommendation: Up to 25000 RPM.

Shank diameter: 3/32”

Head dimensions: 6x15mm

Length: 52.5 mm

Grit: Extra Fine

Bit Shape: Corn

Material:  Tungsten Carbide

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.


  • 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.


  • 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!

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  • Free US and Canadian shipping on orders over $99

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