1. Insert the bit fully into the handpiece and lock it; run it briefly at low speed to check it spins true.
2. Gently push back the cuticle to reveal dry, dead skin on the nail plate.
3. Fine grit is gentle, so use low to moderate speed with light, steady contact.
4. Use the flat top edge of the inverted cone to clean the cuticle pocket and refine small areas.
5. Work in short, light strokes around the cuticle area, keeping the bit moving at all times.
6. Stop as soon as the area looks clean; do not work into live tissue.
7. After the service, brush away debris, clean and disinfect the bit according to your local regulations, and dry it fully before storing.

• Using the edge too aggressively: The edge of an inverted cone is precise; light contact prevents grooves in the nail plate.
• Expecting fine grit to remove thick skin quickly: Fine grit works gently; use a medium or coarse bit first on very thick dry skin.
• Running the speed too high: High speed near skin causes heat and discomfort; keep speed low for cuticle work.
• Working on live tissue: Cuticle bits are for dry, dead skin only; stop once the area is clean.
• Using the wrong rotation direction: Moving towards the skin increases the risk of nicks; choose the direction that moves away from the skin on each side.

• Bit type: Diamond conical micro / inverted cone, 2.5×2.7mm
• Grit: Fine
• Material: Diamond
• Shank size: 3/32" (fits most professional nail drills)
• Best for: Cuticle pockets, sidewalls, nail sinuses and precise nail-art prep
• Care: Brush, clean and disinfect between clients; dry fully before storing
• Use: Professional nail services

What is an inverted cone bit used for?

Its wider top and narrow base make it good for cleaning precisely along the cuticle pocket and for detailed nail-art prep. It is a precision bit for small, controlled areas.

Can a fine cuticle bit handle neglected cuticles?

Fine grit works slowly on thick dry skin, so neglected cuticles may need a medium or coarse bit first. Use the fine bit to finish and refine afterwards.

How do I clean a diamond cuticle bit?

Brush away skin debris, then clean and disinfect according to your local hygiene regulations and dry completely. Skin debris trapped in the diamond surface reduces its effectiveness, so clean thoroughly after every client.

Should I do e-file cuticle work on wet or dry skin?

E-file cuticle work is usually done on dry skin, which makes dead tissue easier to see and remove precisely. Soaking softens the skin and makes it harder to judge where the dead tissue ends.

Why does my client's cuticle area look red after the service?

Redness usually means the speed was too high, the pressure too firm or the bit touched live skin. Reduce speed, lighten your touch and stop as soon as the dead skin is removed.