Dry Diamond Drill Bits Set, 3 Packs for Granite Porcelain Tile Ceramic Marble, Size 1/4“ (6mm), 5/16” (8mm), 3/8” (10mm), with Quick Change 1/4” Hex Shank and Storage Cases

Dry Diamond Drill Bits Set, 3 Packs for Granite Porcelain Tile Ceramic Marble, Size 1/4“ (6mm), 5/16” (8mm), 3/8” (10mm), with Quick Change 1/4” Hex Shank and Storage Cases

Product Details:

• They come with a universal 1/4-inch Hex Shank, which fits a variety of quick-change chucks, drills, or drivers.
• The drill bits set includes 3 sizes of Dry Diamond Core Drill Bits for drilling holes with Diameter of 1/4“ (6mm), 5/16” (8mm) and 3/8” (10mm), to meet different needs of holes.
• Built with vacuum-brazed technology, so the diamond bits can be used at a higher temperature when cutting harder materials. It can cut faster and last longer.
• Great for drilling clean holes to granite, ceramic, glass stone brick marble tile stone Jars, and similar materials (not for wood)
• A dry diamond drill bit integrates wax lubricant inside of the bit. During drilling, this integrated lubricant will melt to cool the cutting surface, perfect for projects in which lubricant is not applicable. If additional cooling is required, water can be used to prolong the life of the bit and to remove the debris during the drilling process.