Product Description
Sizes 0.07mm up to 0.23mm
- This is the most commonly used bur for stone setting. Its shape makes it perfect for cutting seats in prongs and for channel and flush settings.
- Hart burs can also be used for scoring lines or as an alternative to flywheels for bright-cutting.
- Names for this shape: Hart Bur, Bearing Cutter, Undercutting Bur, HD Bur