
8 PCS Diamond Hole Saw Set This brand-new professional diamond drill bits set, with diameters of 20/25/40/45/50/68 mm (0.79/1/1.6/1.77/2/2.7 inch) and M14 thread, offers quick, simple, and clean cut. No need for water leaves your workplace clean. Sturdy & Durable Materials Ease of Installation High Performance Fine Portable Case Features & Details 【STURDY & DURABLE MATERIALS】 - The cutting blade of the diamond hole saw is made from a premium grade of diamond that delivers more effective performance than traditional carbide, or bi-metal hole saw. 【EASE OF INSTALLATION】 - The diamond drill bits for ceramic should be connected to an angle grinder. Drill a pilot hole to begin your drilling to keep the saw from wandering from the desired hole location. 【HIGH PERFORMANCE】 - The ceramic drill bits for pots feature holes on the body to ensure that filings can be removed effectively while the blades are rotating at high speed. 【FINE PORTABLE CASE】 - The 8 pcs diamond drill bits come with a