BEGINNER GUIDE · E-FILE BASICS
How to Choose a Nail Drill and Sanding Band Grit
Choosing a nail drill and sanding band grit is not about using the fastest speed or the roughest band. It is about matching the tool, abrasive and pressure to the service while protecting the client’s natural nail and your own control.
Updated September 2026 · Luxe By Her studio guide
QUICK ANSWER
Start with control, not speed
For a beginner, choose a balanced drill with predictable speed control, then practise on tips before working near a natural nail. Use only the grit appropriate for the product and task, keep the bit moving and stop if heat builds. The Scarlet drill and #150 bands below are products I use in my studio, but training and safe technique matter more than the brand name.
STUDIO SHOPPING NOTES
The nail drill and sanding band grit setup I use
STUDIO-USED DRILL
MelodySusie Scarlet Nail Drill
I use this style of e-file for controlled product refinement and removal. What matters to me is comfortable handpiece balance, smooth adjustment and a setup that does not encourage gripping too tightly. Check the current listing for included bits, voltage and warranty details.
View Scarlet drill on Amazon →
STUDIO-USED ABRASIVE
#150 Sanding Bands
A 150-grit band sits in the medium range and can be useful for refining enhancement product when used with appropriate speed, pressure and training. I do not use a sanding band as a shortcut for aggressive removal or directly on delicate natural nail without suitable technique.
View #150 bands on Amazon →SAFE SELECTION PRINCIPLES
Nail drill and sanding band grit explained
Understand what grit numbers mean
Lower grit numbers generally feel coarser and remove material more aggressively; higher numbers are finer. That simple rule is only a starting point because band quality, backing, speed and product hardness also change the feel. A 150-grit band is not automatically correct for every client or every stage. Read the manufacturer’s intended use and select the least aggressive option that performs the task efficiently.
Speed and pressure work together
High speed combined with heavy pressure can create heat, reduce control and increase the chance of damage. I use a light, stable touch and let the abrasive do the work. The handpiece should keep moving rather than pausing in one area. If heat is felt, stop, reassess the abrasive and technique, and allow the area to cool. Never use speed to compensate for a worn or clogged band.
Match the abrasive to the surface
Enhancement product, top coat and natural nail are not the same surface. A band suitable for debulking cured product may be inappropriate near the natural nail or skin. Keep a clear mental boundary around the cuticle and sidewalls, and switch tools or hand-file when precision is more important than speed. Formal e-file education is worth the investment before offering the service to clients.
Control dust and cross-contamination
Use the drill over a dust collector, keep open products away from the filing zone and clean the handpiece according to its instructions. Disposable sanding bands should not move between clients. The mandrel and reusable parts require the cleaning and disinfection process appropriate to your local salon rules and the manufacturer’s material guidance.
A four-step beginner setup
Build a predictable routine before increasing speed or experimenting with more aggressive abrasives.
01 · Practise off-client
Use training tips to learn direction, pressure and how the handpiece feels at different settings before working on a person.
02 · Inspect every band
Discard bands that are damaged, contaminated, worn smooth or do not fit the mandrel securely.
03 · Stabilise both hands
Support the client’s finger and anchor your working hand so small movements remain controlled.
04 · Review after filing
Check for heat, redness, grooves or over-thinning. A smooth service should never depend on discomfort.
Frequently asked questions
Is 150 grit safe for natural nails?
A 150-grit band is commonly treated as a medium abrasive, but safety depends on the task and technique. I would not recommend a beginner use it aggressively on natural nail. Choose tools intended for natural-nail preparation and follow professional training and product-system directions.
What RPM should a beginner use?
There is no universal number that is safe for every drill, bit and service. Begin with formal training and the manufacturer’s range, then use the lowest effective setting with light pressure. Control, bit condition and movement matter as much as the displayed RPM.
Can sanding bands be reused?
Sanding bands are generally treated as single-client or disposable items because abrasive surfaces are difficult to clean reliably. Follow local infection-control rules and the product instructions. Do not reuse a contaminated band on another client.
Why does a nail drill feel hot?
Heat can come from pressure, staying in one spot, excessive speed, a dull abrasive or friction against the wrong surface. Stop immediately if the client feels heat. Replace worn consumables and reassess technique before continuing.
FINAL TAKE
Buy the drill, but invest in the technique
The MelodySusie Scarlet and #150 bands are practical parts of my studio kit, yet the most important upgrade is controlled training. Match grit to the task, use light pressure, keep the tool moving and maintain a clean dust-control routine.
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