General description The Mophorn Diamond Drill Bit Set is a versatile kit designed for precision drilling in various materials, including tile, granite, marble, and porcelain. This comprehensive set features drill bits ranging from 20 mm to 68 mm (0.8 to 2.7 inches) and is equipped with an M14 thread for easy attachment to most angle grinders. The design allows for efficient cutting without the need for water, ensuring a tidy workspace. Technical specifications Model: KKQ8P Material: Diamond Drill Bits Diameter: 20/25/32/35/40/50/60/68 mm Maximum Drilling Depth: 45 mm (1.8") Mounting Thread: M14 Drill Bits Diameter (Inch): 0.8"/0.98"/1.3"/1.4"/1.6"/1.96"/2"/2.7" Compatibility and accessories These hole saws feature an M14 universal thread, making them compatible with most angle grinders. The set includes a portable carrying case for easy storage and transportation. Installation To install, connect the diamond drill bits to an angle grinder. Start drilling with a pilot hole to maintain