Whether you’re just starting to assemble your nail art kit or you’ve been shaping nails professionally for years, choosing the correct nail file grit is the secret to flawless nails. But let’s be honest—those tiny numbers stamped on files can feel like trying to uncover a mystery. What do they mean?
This ultimate guide to nail files and choosing the right grit is here to clear up any confusion. Keep reading as we break down what grit levels mean, why they’re essential, and how to choose the perfect tools for every type of manicure.
What Nail File Grit Numbers Mean
Grit numbers on nail files indicate how coarse or fine the file’s abrasive surface is. A low grit number is a coarse file that’s designed to shape or reduce the length of tough materials, like acrylic nails. High grit numbers are fine, making them perfect for smoothing and finishing work on natural nails or polished surfaces.
For example:
- A 100-grit file is coarse and works well for acrylic shaping.
- A 180-grit file is medium and ideal for refining the shape of enhancements.
- A 240-grit file is fine, which is great for natural nail shaping and prepping nails for polish.
Understanding these grit levels is crucial for maintaining nail health. For instance, using coarse grit on natural nails can lead to splits and damage. Similarly, a fine grit cannot accomplish much against sturdy acrylic extensions.
How Nail Shape Influences File and Grit Choices
The shape of your nails plays a significant role in determining the most suitable grit and type of nail file. For example, if you sculpt sharp, defined shapes like stiletto or coffin nails, a coarse grit file (80 and 100 grit) can efficiently remove bulk and achieve the desired angles.
On the other hand, softer, rounded shapes like almond or oval often benefit from a fine-grit file (180 and 240 grit). It offers a smooth finish without risking damage to the nail edges. Understanding the relationship between nail shape and grit level ensures better results and keeps your nails looking polished and well maintained.
Coarse Files Aren’t Just for Acrylics
Coarse nail files are popular in salons because they’re great for quickly reshaping thick acrylics, builder gels, and hard tips. But they’re not exclusively designed for artificial nails.
A high-quality coarse file is favorable for technicians who regularly work with hard nail designs or structured manicures. Just remember never to use coarse files on natural nails.
Keep a light hand when using coarse grit to avoid over-filing, especially on enhancements. Move in one direction instead of filing back and forth to protect the layers beneath the nail enhancements.
Medium Grit Does the Heavy Lifting
Medium grit falls between 150 and 180 grit. It’s the most versatile type of nail file because it can shape and refine artificial nails and gently contour natural nails.
For professionals and beginners working on natural nails, a 180-grit file is a go-to. It removes ridges or uneven edges without causing damage. If there’s gel polish or overlays, this grit is perfect for prepping the surface, so products adhere fully.
A banana-shaped, medium-grit file is fantastic if you’re worried about controlling or filing too much. The ergonomic shape makes it easy to handle and produces smooth results.
Fine Grit Adds That Polished Finish
Fine grit files fall into the 240 and above category and are perfect for final touches. For natural nails, 240 grit is gentle enough to smooth the edges and prevent splitting. It’s also ideal for finishing surfaces, leaving them prepped for polish application without creating unnecessary scratches.
When working with gels or enhancements, this is the grit you’ll turn to for buffing in between layers. Paired with a soft nail buffer, a 320 or 400 grit can create an ultra-smooth texture, producing a professional, glossy look.
Specialty Nail Files Worth Considering
Sometimes, a standard emery board won’t do the trick, especially when dealing with a client’s specific nail care needs or aiming for a pristine finish. That’s why specialty nail files are available to provide more precise shaping and smoothing.
Glass and Crystal Files
Glass and crystal files are sleek, reusable tools that are perfect for natural nails. They gently seal the nail’s edge with an ultrafine texture, preventing splits. These files are especially helpful for clients with sensitive nails or thin, brittle tips.
Sanding Blocks
For those who are serious about their manicures or pedicures, sanding blocks provide a multi-grit surface that’s tailored for layering. Use a coarse side for initial shaping, a medium for refining, and a fine for buffing.
Why Grit Variety Matters
Having a mix of specialty files in your professional nail art kit ensures you’re ready for any client need or style. Not to mention, using the wrong grit file can lead to problems including damaged nails and uneven shapes.
Professionals understand that different nail textures, lengths, and enhancements require a specific grit level. That’s why having nail files with various grit levels is essential to service every client.
Tips for Getting the Most Out of Your Nail Files
Whether you’re maintaining natural nails or crafting intricate nail art, there’s always room for improvement! Here’s how to level up your nail-filing skills:
- Always start with the coarsest grit necessary for the job. Work your way toward fine grits to produce a smooth finish.
- Use natural strokes. Filing back and forth harshly weakens the nail structure.
- Clean your files regularly to extend their lifespan and prevent residue buildup. This is especially important with reusable specialty files like glass and crystal.
File Nails Like a Professional!
Learning about the different nail file grit levels will help you choose the right tool for every task. Adding high-quality files to your lineup can immensely improve your skills. With a professional nail art kit and a little practice, you can shape, smooth, and polish nails like a professional.
MIA Secret has the tools you need to nail your next masterpiece. Visit our website to select a collection that has a variety of supplies to perfect your craft.