SKU: 6523169039

Coated Diamond Cool Groove Nail Drill Bit DGBZ-3.1, shape ball, size 3.1x2.9 mm

$9.90 $11.00
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Description

Coated Diamond Cool Groove Nail Drill Bit DGBZ-3.1, shape ball, size 3.1x2.9 mmThe Diamond Cool Groove Nail Drill Bits with a Special Coating are an innovative addition to e file manicures. These drill bits combine non standard cross cuts on the surface of diamond cutters with a special coating. The cross cuts enhance air circulation, preventing overheating of the treated surface and ensuring greater comfort during the manicure process. Advantage Cool Groove Nail Drill Bits with a diamond bits benefits provided by the cross cuts

The Diamond Cool Groove Nail Drill Bits with a Special Coating are an innovative addition to e-file manicures. These drill bits combine non-standard cross cuts on the surface of diamond cutters with a special coating. The cross cuts enhance air circulation, preventing overheating of the treated surface and ensuring greater comfort during the manicure process.

 Advantage Cool Groove Nail Drill Bits with a diamond bits benefits provided by the cross cuts and special coating:

  •  Better heat dissipation: The unique cross cuts on the diamond cutters improve air circulation, preventing overheating and discomfort during the manicure.
  •  Minimized overheating: These bits with the special coating are engineered to minimize overheating, providing comfort during manicures and pedicures and allowing for a more pleasant and efficient nail care experience.
  • Reduced material sticking: The special coating significantly reduces the chances of the bit sticking to the nail, ensuring smooth and efficient operation without interruptions caused by material buildup.
  •  Extended lifetime: The bits with the special coating are built to last, offering exceptional durability compared to regular bits.
  •  Enhanced sterilization resistance: Designed to withstand the rigorous sterilization process commonly employed in nail salons, these bits maintain their optimal performance even after repeated sterilization cycles. The special coating ensures longevity and durability.
  •  Better biocompatibility: For individuals allergic to metals, our bits offer superior biocompatibility. Nail technicians can use them confidently, knowing that they are suitable for sensitive skin.

 The Diamond Cool Groove Nail Drill Bits with special coating are shaped like a ball, providing versatility for various nail treatments. They are available in two variants:

 Fine (red) bits: Designed for quickly and accurately removing raised cuticles, especially suitable for sensitive skin. They are also recommended for polishing the cuticle zone after removing the cuticle, allowing for gentle and controlled work.

 Medium (blue) bits: Ideal for removing dry, dead cuticles around the nails and cleaning the nail wall.

 After completing a procedure with a client, it is essential to wash, clean, sterilize, and dry all the bits used. To effectively disinfect the bits, it is recommended to use a solution with at least 70% alcohol.

 The recommended operating speed for the Diamond Cool Groove Nail Drill Bits Ball is up to 20,000 RPM.

Specifications:

 Head size: 3.1 * 2.9 mm

Shank diameter: 3/32”

Shape: Ball

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6523169039

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4.6 ★★★★★
Based on 19 reviews
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A
Verified Purchase
Asha
Dallas, US
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then. They both needed a firm pillow that is not super soft, firm but not achy. Finally found the perfect one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
C
Verified Purchase
Charlie
San Leandro, US
★★★★★ 5
This Pillow Is A Must Buy!! What Are You Waiting For?
Size: Queen (Pack of 1)
This is, without a doubt, the best pillow I have ever owned. One of my favorite features is the adjustable shredded memory foam fill, which allows you to customize the loft and firmness by adding or removing foam to suit your sleeping preferences. As both a side and back sleeper, I found it incredibly comfortable and supportive. The overall quality is excellent, from the materials used in the pillow itself to the thoughtful packaging. The removable cover is washable, although I personally use a pillowcase to keep it protected. I also appreciated that extra foam is included, making it easy to fine-tune the pillow over time. The difference in my sleep quality was noticeable from the very first night. I’ve been sleeping more comfortably and waking up feeling more rested ever since I started using it. Considering the quality, comfort, and customization options, I believe the $75 price point is well worth it. I am so impressed with this pillow that I plan to purchase another one in the future.
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Reviewed in the United States on June 4, 2026
A
Verified Purchase
ahindris
Cuba, US
★★★★★ 5
This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability
Size: Queen (Pack of 1), Size: Queen (Pack of 1)
I purchased the DreamyBlue Signature Adjustable Pillow for my husband because he often experiences back discomfort, and many of the pillows we had previously would become flat and lose their support over time. This pillow has exceeded our expectations. It is incredibly soft, comfortable, and comes with extra filling, which allows you to adjust the firmness to your personal preference. We really appreciated having that option. Even after extended use, the pillow has maintained its shape much better than other pillows we've owned. It provides a plush, cozy feel while still offering good support. My husband finds it very comfortable, and it has quickly become his favorite pillow. This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability. I would definitely recommend it.
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Reviewed in the United States on June 4, 2026
C
Verified Purchase
Conway Bolt
Whiting, US
★★★★★ 5
Finally Found a Pillow Worth Keeping
Size: Queen (Pack of 1)
I genuinely feel like I’ve tried every pillow on the market. At one point, I thought Amazon was going to flag my account because I bought and returned so many pillows trying to find the right one. This is the only pillow that made the cut. The shredded memory foam filling makes a huge difference because the pillow is both soft and supportive, while still being adjustable to fit the way you sleep. It arrives extremely full and plush, and it even comes with an extra bag of fill, which honestly surprised me. I ended up removing about half of the filling to get it exactly how I wanted it. I’m a side/stomach sleeper, which can make finding a good pillow difficult since most are either too thick or too flat. This one was perfect because I could shape it exactly how I sleep. It stays cool throughout the night, has a slightly heavier premium feel, and feels much higher quality than most pillows I’ve tried. Super comfortable, supportive, and customizable. I would absolutely recommend it and would definitely buy it again
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Reviewed in the United States on May 24, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 4
A bit expensive
Size: Queen (Pack of 1)
Waited to give a review on this one because I needed several nights before I had any idea if it was as good as everyone says. I've had a real problem finding pillows lately. Either they're too soft to provide support and I wake up with a stiff neck or they're too sturdy and I wake up with a stiff neck. Contour pillows have worked best for me, but they fall under the category of too sturdy. I also toss and turn too much at night, which means I always end up in an awkward position with contour pillows. So I took a chance on an obscenely expensive pillow, and yes, that is the reason for one less star. I'd happily pay $70 for a pillow I thought was amazing and comfortable and perfect, but this one wasn't quite it. It IS comfortable. I have slept on it for a month now without it making my neck stiff, so it does actually provide a good balance between soft and sturdy. They make it easy to stuff the pillow to your preferred fluffiness and even provide extra stuffing if you need it, which adds to the degree of comfort. While the pillow does provide good neck support, I toss and turn a bit trying to find a comfortable position when I first try to sleep. The stuffing within the pillow moves around at night, most notably shifting to the side and the pillow is notably flatter now than when I first purchased it. You can fluff it out, similarly to a down pillow, but it doesn't seem to retain its shape on its own. In some ways, that's good because what it does instead is try to retain a shape that fits you. So yes, this is a really good pillow. One of the better ones you can buy. But it's really expensive for a pillow.
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Reviewed in the United States on May 13, 2026

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