Tlily - 6pc Black Dry Diamond Drill Bits Set for Granite Ceramic Marble Tile Stone Glass Hard Materials 5/6/8/10/12mm

General description The 6pc Black Dry Diamond Drill Bits Set is designed for drilling clean holes in hard materials such as granite, ceramic, marble, tile, stone, and glass. This set features improved dry drilling technology with built-in wax lubricant that melts during use to cool the cutting edge, extending the life of the drill bits. The diamond coating prevents rusting, ensuring durability and performance. Technical specifications Shank: Hex Shank Color: Black Material: Diamond Coated, Alloy Package Contents: 4 x 3/16 inch (5 mm) Diameter Diamond Drill Bits 2 x 1/4 inch (6 mm) Diameter Diamond Drill Bits 2 x 5/16 inch (8 mm) Diameter Diamond Drill Bits 2 x 3/8 inch (10 mm) Diameter Diamond Drill Bits 2 x 1/2 inch (12 mm) Diameter Diamond Drill Bits Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with most machines including hand drills, angle grinders, and bench drills Can be matched with side flutes to help clear debris Depth mark for precise