TLILY 10Pcs Dry Diamond Drill Bits Set,3/16Inch 1/4Inch 5/16Inch 3/8Inch 1/2Inch for Granite Ceramic Marble Glass,Not for Wood

General description 10Pcs Dry Diamond Drill Bits Set includes various sizes suitable for drilling clean holes in granite, ceramic, marble, glass, and other materials (not for wood). Each drill bit features a built-in wax lubricant that melts and cools the drill tip, preventing diamond loss and extending the life of the bit. Technical specifications Sizes: 3/16 inch (5 mm), 1/4 inch (6 mm), 5/16 inch (8 mm), 3/8 inch (10 mm), 1/2 inch (12 mm) Material: Diamond Color: Black Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with most popular electric drills, angle grinders, and bench drills Usage Ideal for drilling clean holes in tile, ceramic, porcelain, glass, marble, stone, and masonry Cool the drill bit after each hole for optimal performance Other information Package includes: 2 pieces of each size (3/16 inch, 1/4 inch, 5/16 inch, 3/8 inch, and 1/2 inch) Note: Light reflection and different displays may cause the color of the item in the picture to