Refined e-file detailing for clean, polished nail services.
✦ Precision for Manicure & Pedicure Work
INFINITY Diamond Burs Fine 4.0*12mm- is a professional diamond-coated e-file bit designed for manicure and pedicure services. With a fine-grit working surface, rounded-drop profile, 4.0 mm head diameter, and 12.0 mm active length, it brings a balanced blend of coverage and control to detailed salon work.
The rounded, blunt-tip shape is suited for trained technique around the lateral folds and cuticle area, while the larger working surface helps support nail-plate smoothing and pedicure surface work. It is sold as an individual Infinity professional bit and should be used with a compatible e-file handpiece.
✦ Thoughtful Control for Nail Services
✦ Fine Diamond GritDesigned for controlled, gentle abrasion during professional manicure and pedicure detailing.
✦ Rounded-Drop ProfileThe rounded, blunt-tip shape supports careful work near lateral nail folds and cuticle areas when used with trained technique.
✦ 4.0 mm Head DiameterA broader profile than smaller precision bits, offering more surface coverage for smoothing and pedicure work.
✦ 12.0 mm Working LengthThe extended active area helps cover more of the nail or pedicure surface while maintaining refined handling.
✦ Professional E-File UseMade for operation in a compatible professional e-file handpiece and recommended for trained users.
✦ Individual Infinity BitSold as a single Infinity-branded bur, making it easy to select the exact shape and grit your service calls for.
✦ Key Product Details
Product TypeDiamond-coated nail drill bur for professional e-file manicure and pedicure services.
Size4.0 mm head diameter with a 12.0 mm active working length.
Grit & ShapeFine grit with a rounded-drop profile and rounded tip for detailed nail-area work.
Handpiece FitCommonly listed with a 2.35 mm / 3/32 inch shank format; always confirm compatibility before use.
✦ How to Use
- 01 Select the fine rounded-drop bur when the service calls for controlled detailing, smoothing, or pedicure surface work.
- 02 Insert and secure the bur in a compatible professional e-file handpiece, confirming the shank fit before beginning the service.
- 03 Use trained e-file technique with controlled movement, angle, and pressure around the lateral folds, cuticle area, nail plate, or pedicure surface.
- 04 After use, remove visible debris, then clean and disinfect according to salon-approved procedures and the disinfectant label directions.