7 piece -PRO Diamond Drill Bits S for Tile/Glass/Granite

[Industrial-Grade Diamond Grit for Flawless Drilling] Crafted with vacuum-brazed diamond particles, these bits bite into porcelain, ceramic, glass, granite, and marble like butter! The high-grade grit stays sharp 3x longer than standard bits, delivering smooth, chip-free holes every time. [4 Sizes for Every Project, Big or Small] From delicate 6mm holes for bathroom fixtures to sturdy 12mm openings for plumbing, this set tackles it all. Perfect for DIY tiles, crafting resin art, or installing shelves in stone walls. [Stay Cool Under Pressure - Dry or Wet!] Built-in wax lubrication and U-groove channels keep temps low without water-ideal for quick fixes. For heavy-duty jobs, add water to extend lifespan. No more overheating or messy coolant sprays! [Hex Shank + Universal Compatibility = Zero Hassle] Fits any drill with a 1/4" chuck, including cordless, benchtop, or angle grinders (with adapter). The anti-slip hex shank locks securely, so you drill straight, wobble-free holes-even on curved surfaces. [Organized On-the-Go with a Sleek Case] No more lost bits! The compact, shockproof case keeps your set safe in a toolbox or backpack. Perfect for contractors, hobbyists, or weekend warriors. Product Color: Silver Product Material: High-carbon steel core with diamond grit coating Product Dimensions: Drill diameter - 6mm : 65mm Length - 8mm : 80mm Length - 10mm : 80mm Length - 12mm : 80mm Length What's in the box 3x 6mm Diamond Drill Bits 1x 8mm Diamond Drill Bits 1x 10mm Diamond Drill Bits 1x 12mm Diamond Drill Bits 1x 6mm Carbide Drill Bit