Diamond Drill blue 1.8mm/7.8mm

Diamond Nail Drill Bit Blue 1.8 mm / 7.8 mm – bestselling tear-drop drill bit

This professional diamond nail drill bit with a 1.8 mm diameter and 8 mm working length is one of the most popular tear-drop shaped bits used in manicure and pedicure. Its precise shape allows for accurate cuticle work, sidewall cleaning, and nail plate refinement, even in hard-to-reach areas.

Usage

• Combined and e-file manicure – perfect for lifting and removing cuticles, cleaning sidewalls, and working in narrow cuticle pockets.
• Pedicure – effective for removing gentle calluses and working around difficult or ingrown nails.
• Nail plate cleaning – ideal for smoothing imperfections and removing impurities.

Benefits

• Tear-drop shape – enables controlled, precise work around delicate nail areas.
• Premium diamond coating – highly durable, efficient, and resistant to wear.
• Medium grit (blue) – versatile and safe for natural nails and soft skin.
• Up to 40,000 RPM – stable performance without vibration.

How to use

1. Insert the bit properly into the e-file handpiece.
2. Adjust the speed up to 40,000 RPM.
3. Work with light, smooth motions, avoiding excessive pressure.
4. Do not keep the bit in one spot to prevent overheating.

Disinfection & Sterilization

After use, clean the bit thoroughly, disinfect it, and sterilize in an autoclave. Proper care ensures safe work and long-lasting performance.

Specifications

• Head diameter: 1.8 mm
• Working length: 8 mm
• Grit: blue (medium)
• Max RPM: 40,000
• Shape: tear-drop
• Material: diamond coating