These high quality drill bits are designed for using Grinders, so when you want to drill in granite and marble bench top, you no longer need a Drill, but a grinder, So it provides a great convenience for installers. Recommended for wet drilling.
Feature: Fast drilling speed; No jumping; Easy to use; Convenience; Safety.
Available in: 6mm, 8mm, 10mm, 12mm,14mm, 15mm, 16mm, 18mm, 20mm,25mm, 30mm, 32mm, 35mm, 38mm,
40mm, 45mm, 50mm, 60mm, 70mm,80mm Diameter.