Giải thích về mũi khoan móng tay: Các loại, hình dạng và công dụng cho móng gel
By Makartt | Published: 2026-07-18
Category: Hướng dẫn cách làm
Khám phá các loại, hình dạng và công dụng cần thiết của mũi khoan móng dành cho móng gel. Học cách chọn mũi khoan điện phù hợp để tẩy, tạo dáng và xử lý da biểu bì với những mẹo từ chuyên gia.
If you're serious about gel nails, an e-file is a game-changer. But the real magic lies in the drill bit you choose. With dozens of shapes, materials, and grits available, understanding nail drill bits can feel overwhelming. Whether you're a beginner or a seasoned nail tech, knowing which bit to use for each step—from cuticle work to gel removal—saves time, prevents damage, and gives you salon-quality results.
In this guide, we'll break down the most common nail drill bit types, their shapes, and exactly how to use them for gel nails. You'll also learn how to pair bits with products like the Makartt Nail Dehydrator and Primer Set for flawless prep, and which bits work best with the 5-in-1 Tungsten Carbide Nail Drill Bit for versatile performance.

Why Nail Drill Bit Material Matters
The material of your drill bit determines its durability, speed, and the type of work it can handle. The most common materials are carbide, ceramic, diamond, and sanding bands. Carbide bits, like the 5-in-1 Tungsten Carbide Nail Drill Bit, are extremely hard and last for months. They're ideal for removing bulk gel, acrylic, and polygel without clogging.
Ceramic bits run cooler and are great for sensitive clients, while diamond bits offer fine precision for cuticle work and surface buffing. Sanding bands are disposable and perfect for shaping natural nails or removing soft gel. Choosing the right material for each step ensures efficiency and safety, especially when working with gel extensions or hard builder gels.
- Carbide bits: best for bulk removal and heavy-duty work on acrylic or polygel.
- Ceramic bits: stay cool and work well on sensitive nail beds.
- Diamond bits: fine grit for cuticle cleanup and surface smoothing.
- Sanding bands: disposable and ideal for natural nail shaping.
Common Nail Drill Bit Shapes and Their Uses
Each drill bit shape serves a specific purpose. The most versatile shapes include the barrel, flame, cone, and needle bits. A barrel bit is wide and flat, perfect for removing product from the nail plate quickly. Flame bits have a tapered tip, making them excellent for cuticle work and sidewall cleanup without damaging the skin.
Cone bits are great for getting into tight corners and around the cuticle area. Needle bits are ultra-fine and used for precision work like carving or cleaning under the free edge. For gel nail prep, a fine diamond flame bit can gently push back cuticles and remove excess gel from the proximal fold. When removing gel polish, a medium-grit barrel bit works best to avoid overheating.
- Barrel bit: fast bulk removal from the nail plate.
- Flame bit: cuticle and sidewall cleanup with precision.
- Cone bit: tight spaces and cuticle area.
- Needle bit: fine detail work and under-nail cleaning.
Grit Levels: Coarse, Medium, Fine, and Extra Fine
Grit refers to the coarseness of the bit's surface. Coarse bits (80-100 grit) are for rapid removal of thick gel or acrylic but should be used with caution to avoid damaging the natural nail. Medium grit (150-180) is the sweet spot for most gel removal tasks, balancing speed and safety. Fine grit (240-320) is used for smoothing and refining the nail surface after removal.
Extra fine bits (400+ grit) are for buffing and shining the natural nail before applying a new overlay. Always start with a coarser grit for bulk removal and switch to finer grits as you get closer to the natural nail. This gradual approach minimizes heat buildup and prevents nail thinning. Using the correct grit also extends the life of your bits and keeps your e-file running smoothly.
- Coarse (80-100 grit): fast removal of thick product, use carefully.
- Medium (150-180 grit): ideal for most gel removal tasks.
- Fine (240-320 grit): smoothing and surface refinement.
- Extra fine (400+ grit): buffing and final shine.
How to Use Drill Bits for Gel Nail Prep and Removal
Proper prep is the foundation of long-lasting gel nails. Start by using a fine diamond flame bit to gently push back cuticles and remove dead skin from the nail plate. Follow up with a medium-grit barrel bit to lightly etch the surface of the natural nail, which helps the base coat adhere. Always use a low RPM (5,000-10,000) for prep work to avoid heat and damage.
For gel polish removal, use a medium-grit carbide or ceramic barrel bit. Work in short, sweeping motions, keeping the bit moving to prevent heat buildup. Never press down hard—let the bit do the work. Once you see the natural nail peeking through, switch to a fine sanding band or diamond bit to remove the last layer. Finish with a gentle buff to smooth the nail plate before applying fresh product.
- Use low RPM for cuticle work and prep.
- Keep the bit moving to avoid heat friction.
- Switch to finer grit as you approach the natural nail.
- Always sanitize bits between clients or uses.
Maintaining Your Nail Drill Bits for Longevity
Drill bits are an investment, and proper care keeps them performing well. After each use, clean bits with a brush and disinfectant spray to remove dust and gel residue. For carbide and ceramic bits, you can soak them in a monomer or acetone for a few minutes to dissolve stubborn buildup. Diamond bits should be cleaned gently to avoid dulling the crystals.
Store bits in a dry, organized case to prevent damage. Replace sanding bands after every use, and inspect carbide and diamond bits for wear or chipping. A dull bit not only works slower but also generates more heat, increasing the risk of nail damage. By maintaining your bits, you'll get consistent results and save money in the long run.
- Clean bits after every use with a brush and disinfectant.
- Soak carbide bits in acetone to remove gel residue.
- Store in a dry case to prevent rust or dulling.
- Replace sanding bands and dull bits regularly.
Mastering nail drill bits transforms your gel nail routine from frustrating to flawless. Whether you're removing old polish, shaping extensions, or prepping the nail plate, the right bit makes all the difference. Start building your collection with versatile options like the 5-in-1 Tungsten Carbide Nail Drill Bit, and always pair them with quality prep products like the Makartt Nail Dehydrator and Primer Set for long-lasting, professional results. Explore our full range of nail drill bits and accessories to elevate your nail game today.



