Diamond ball bit red Ø4.0 mm

Diamond bit "ball" red, Ø4.0 mm is a professional drill bit for manicure and pedicure, designed for opening the lateral nail fold, treating sinuses (areas between the nail and the lateral fold) and for piercing the nail plate.

This ball shape is ideal for opening the lateral nail fold, treating sinuses and for precise nail plate piercing, allowing controlled depth in delicate areas.

Why choose this bit:
 • High-quality diamond coating applied via electroplating – ensures strong adhesion and resistance to chipping or peeling
 • Even coating of diamond particles for smooth, controlled and precise work
 • Precisely centered shank for stable fixation in the handpiece without vibration
 • High durability: maintains effective cutting speed for up to 17 procedures with proper care

How to choose the size:
 • Ø2.3 mm — ideal for precise work on lateral folds, sinuses and delicate piercing
 • Ø3.1 mm — versatile size for controlled lateral-fold work and moderate material removal
 • Ø3.5 mm — for faster removal on broader sidewalls and thicker cuticle areas
 • Ø4.0 mm — efficient for bulk reduction, shaping and faster prep on larger nails
 • Ø5.0 mm — for wide-area work, heavy callus or pedicure tasks and rapid material removal

Specifications:
 • Shape: ball
 • Grit: red (soft)
 • Diameter: Ø4.0 mm
 • Material: diamond

Care & Safety:
 • Suitable for professional disinfection
 • Can be sterilized in dry heat sterilizers and autoclaves
 • Recommended for use on natural nails, cuticle and skin

Designed for professional nail technicians who value precision, comfort and consistent salon-quality results.