Drill Bit - XF Long - Purple (6.6mm)
Achieve a flawless, glass-smooth finish with the Drill Bit - XF Long - Purple. Designed with a specialized extended barrel, this Extra Fine (XF) tungsten carbide bit is the ultimate finishing tool for professional nail technicians. It is specifically engineered to refine, smooth, and perfect the surface of artificial enhancements just before applying your final top coat.
Featuring a 6.6mm diameter and an elongated cutting head, this bit allows you to cover more surface area with every pass. It is exceptionally useful for working on long or XXL nail extensions, ensuring a perfectly even and bump-free surface from the cuticle line all the way down to the free edge.
Key Features:
Extra Fine (XF) Grit: The gentle, extra-fine teeth are perfect for smoothing out scratches left by coarser bits, refining the overall shape, and preparing the enhancement for a flawless gel polish or top coat application.
Extended Long Barrel (6.6mm Width): The longer working length allows you to file large surface areas quickly and evenly. It is an absolute must-have for smoothing out long acrylic or gel extensions (like stiletto, coffin, or XXL square shapes).
Striking Purple Design: The eye-catching purple aesthetic (and/or color band) makes it instantly recognizable on your nail station, allowing you to grab your finishing bit without hesitation.
Low-Heat Tungsten Carbide: Crafted from premium carbide materials that dissipate heat efficiently, ensuring your client remains comfortable even during extended surface refining.
Seamless Two-Way Rotation: Cuts flawlessly in both forward and reverse directions, accommodating both right-handed and left-handed nail artists.
Universal Fit: Features the industry-standard 3/32" shank, making it compatible with almost all professional electric nail files.
How to Use:
1. Setup: Insert the 3/32" shank securely into your e-file handpiece and lock it.
2. Speed Selection: Set your drill to a low-to-medium speed (typically between 7,000 and 15,000 RPM). Because this is a finishing bit, higher speeds are not necessary.
3. Surface Refining: After debulking and shaping with a coarser bit, hold the XF Long bit parallel to the nail. Use light, even, sweeping motions to buff out imperfections, bumps, or ridges on the acrylic, dip, or hard gel surface.
4. Prep for Top Coat: Glide the bit over the entire enhancement to create a perfectly smooth, flush canvas that is ready for color application or top coat.
5. Cleaning & Sanitation: After use, brush away fine dust with a wire or nylon bit brush. Clean with warm, soapy water, fully submerge in an EPA-registered hospital-grade disinfectant according to the manufacturer's guidelines, and dry completely.
Shipping & Return
Shipping & Return
Customers can return goods within 14 days from the date of receipt of goods according to the order. Please note that you must open and check the goods immediately upon receipt from the Shipping unit. ATN Nail Supply will only handle cases of product exchange, missing goods, and lost goods within 14 days from the date of receipt of goods.
Special Notes:
- For gel curing lamps and desk lamps, exchange or return is only accepted within 14 days from the date of receipt of goods.
- Drill machines cannot be exchanged or returned and are not covered by a warranty.
We will charge 20% restocking fee for returned items that are not due to manufacturer defects. The remaining amount will not be refunded to your bank account but will be stored in the ATN Nail Supply system as store credit that you can use for future orders.
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Discover more in our FAQ
How long does it take to process an order?
How long does it take to process an order?
Our 24/7 Lace Contour Plunge Bra combines gorgeous floral lace with sheer overlay straps that hold you in and eliminates gaping. Removable pads let you customize you
Do you ship internationally?
Do you ship internationally?
Yes, we offer international shipping to select countries. Please check our shipping policy for details on destinations, rates, and delivery times.
What is your return policy?
What is your return policy?
We accept returns within 30 days of delivery, provided the items are unused and in their original condition. For detailed instructions, please refer to our return policy or contact our support team.
What are your sizing options?
What are your sizing options?
Our products are available in a range of sizes to ensure the perfect fit. Detailed sizing information is provided on each product page, and our size guide can help you choose the best option.

