BUYISI 10PCS Core Drill Bits Hole Cutter Vacuum Brazed for Porcelain Marble Granite

[COMPLETE 10-PIECE SET] This comprehensive set of 10 vacuum brazed drill bits is perfect for tackling a range of materials including granite, marble, and tile. [EFFICIENT DRY DRILLING] These bits are specially crafted for dry drilling without water, maximizing efficiency and effectiveness in every project. [RECOMMENDED SPEED USAGE] Achieve optimal results by operating at a minimum of 1500 rpm; the quicker the drill spins, the better the performance you will experience. [EASY TO HANDLE] Designed to reduce the risk of damage by avoiding excessive pressure during use; suitable for both beginners and seasoned contractors. [SIZE CHECK ADVISED] Remember to verify your size specifications prior to purchase for optimal fit with your equipment.