Carbide drill bit 4-3-1 Medium; head size 6x14.5mm - U-tools
Carbide drill bit 4-3-1 Medium; head size 6x14.5mm - U-tools

Carbide Nail Drill Bit 4-3-1 Medium; head size 6x15mm


Regular price$14.16 CAD
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  • Inventory on the way

The Carbide Nail Drill Bits are crafted from a metal alloy that's not only 10 times stronger than steel but also carefully formulated for optimal hardness and longevity, these bits are the go-to choose for nail technicians.

Key Features:

Strength and Durability: the hardness and durability of carbide bits are composition of the metal alloy from which they are made. This unique blend ensures longevity, making this bit a reliable companion for your nail care needs.

10 Times Stronger Than Steel: Our carbide bits boast a metal alloy that is a remarkable 10 times stronger than traditional steel.

Flute-Like Precision Cuts: The flute-like cuts on this carbide bit set them apart. These cuts enable the bits to delicately shave off enhancement products without the risk of scratching. This precision ensures a smooth and flawless nail enhancement removal process.

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

Fit Acrylics and Gel Removal: Tailored for nail technicians, this carbide bit excels in removing acrylics and gel enhancements.

They use:

  • for fast removal gel and acrylic around nail folds;
  • gentle removing hybrid gel;
  • for preparing shape of nails;
  • for preparing cornea nails and natural callus;
  • for preparing thick skin next to nail fold, delicate preparation of callus on the skin;
  • gentle working with keratinized nail, rough skin and callus;
  • for treatment and removal of nails’ fungus.


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: 52.5mm

Grit: Medium

Bit Shape: Corn

Material: 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 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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