【Usage instructions: dry & wet drilling】Clean indoor operation without the mess: The built-in cooling wax core absorbs heat, supporting short-term dry drilling for quick tasks. Note: For extremely hard natural stones or to maximize the tool's lifespan, using water for additional cooling and lubrication is highly recommended to enhance efficiency. 【Vacuum brazed for 3x extended lifespan】Invest in durability over disposable tools. Using state-of-the-art Vacuum Brazing technology, the diamond grit is fused permanently to the steel core. This results in a tool that is 3 times more durable than standard tile bits, significantly increasing lifespan while maintaining a fast, aggressive cutting speed. 【C45 steel body & extra-high rigidity】Constructed with an upgraded C45 high-carbon steel body, providing extra-high hardness and flexural strength. This advanced material design solves the issue of drill bit bending or deforming under high pressure and intense heat, ensuring superior stability and accuracy during heavy-duty use. 【Versatile for kitchen & bath renovations】The ultimate solution for kitchen, bathroom, and full-home renovations. Specifically engineered for porcelain tile, ceramic, pots, planter, glass, granite, masonry, quartz, stone, marble, acrylic, and wall surfaces. Achieve clean, precise holes without cracking or splintering, even on the hardest tile grades. 【Precision sizes for standard anchors】Maximize your efficiency with this comprehensive 9-piece set featuring backup bits for the most used sizes: 2x 1/4" (6mm), 2x 5/16" (8mm), 2x 3/8" (10mm), and 1x 1/2" (12mm) diamond bits, plus 2x 1/4" (6mm) carbide-tipped bits for centering. Perfectly matched for installing brackets, towel bars, mirrors, and shelving into standard anchor sizes.
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