Stanley 4x64mm Drill Bit Tile & Glass Model STA53227-QZ

Stanley 4x64mm Drill Bit Tile & Glass, Model STA53227-QZ About this productThe Stanley STA53227-QZ Tile & Glass Drill Bit is a specialized drill bit engineered for smooth, clean, and crack-free drilling through ceramic tiles, mirror surfaces, glazed tiles, and non-tempered glass. Design and Features:Spear-Point Carbide Tip: Precision spear-head tungsten-carbide tip scores and cuts delicate materials smoothly without slipping or wandering.Rotary-Only Cutting Geometry: Specifically designed to cut through brittle materials through rotational grinding rather than impact hammer action.Universal Cylindrical Shank: Fits securely into standard 3-jaw chucks on corded or cordless rotary drills. Product Specification:Brand: StanleyModel: STA53227-QZProduct Type: Tile & Glass Drill BitMaterial: Carbon steel body with tungsten carbide spear tipFinish: Polished steel finishColor: SilverSize: 4 mm diameter x 64 mm total length  Instructions for use:PreparationSurface Preparation: Place a strip of masking tape over the targeted drill point and mark your spot to prevent bit slip on smooth, glazed surfaces.Drill Mode & Speed: Set your drill to rotary mode only (disable hammer action) and run at a low speed (500–1000 RPM).Cooling & Pressure: Apply a few drops of water or a wet sponge to cool the drilling zone, applying light, steady pressure until the bit passes through. Precautions for use:Never Use Hammer Mode: Ensure impact or hammer settings are completely turned off to avoid instantly cracking or shattering glass and tiles.Cool with Water: Continually apply water during operation to avoid extreme thermal expansion that can crack delicate materials or dull the tip.Wear Protection: Always wear safety goggles and protective gloves to shield against sharp glass or ceramic shards.