Tool for cup with diamond tip from 6 mm to 50 mm for glass stone, marble, ceramic, clean and smooth opening, without broken edges. The drilling is stable and the.

1. The paint on the body of this drill bit prevents rust. 2. Clean and smooth opening, without broken edges, and won't easily shake or chip. 3. Low resistance to engraving, stable drilling, and won't break the edge. 4. Primarily used for drilling ceramic tiles, marble, granite, concrete, and other hard materials. 5. Ideal for drilling faucet mounting holes in stone countertops.

Technical Specifications: Description: These drill bits are cutting tools used to remove material to create circular holes. They come in many sizes and can create various holes in many different materials. Attached to a drill, they power the cutting action. Features: The paint on the body of this drill bit prevents rust. Clean and smooth opening, without broken edges, and won't easily shake or chip. Low resistance to engraving, stable drilling, and won't break the edge.

Primarily used for drilling ceramic tiles, marble, granite, concrete, and other hard materials. Ideal for drilling faucet mounting holes in stone countertops. Technical Specifications: Color: Gold Size (optional): 6/8/10/14/16/18/20/22/25/30/35/50 mm 0.24/0.31/0.39/0.55/0.63/0.71/0.79/0.87/0.98/1.18/1.37/1.96 inches Quantity: 1 Dimensions (mm) 6 8 10 14 16 18 20 22 25 30 35 50 Shank Diameter (mm) 5-11 Weight (g) 11 21 40 35 47 57 63 70 72 96 122 227 Instructions: 1. To prolong service life, it is best to use water for cooling and lubrication. 2. The drill can be used with a bench drill or a handheld electric drill. 3. When using a handheld electric drill, start slowly with