Drill Bits Drill Bit for Stone Replacement Quick Opening Triangular Carbide 4 Flute Hex Chuck for Brick Wall Feature:1. Corrosion-resistant or corrosion-resistant tip: This drill bit set has 5 sizes, 5, 6, 8, 10, 12mm to meet your different needs. Made with tungsten carbide tips that will not rust or corrode2. Good quality material: made of cemented carbide, this glass for attachment has very good wear resistance and very high hardness, have a long service life, the Ti coated surface is oxidation resistant and does not fade3. Easy positioning and fast opening: The drill bit has neat and smooth holes, no broken edges, no vibration, provides easy positioning, fast opening speed, and easy chip removal4. Unique transverse angle: come with low cut resistance, stable drilling, speed, no crack edge, neat opening, smooth, no crack edge, no shaking, easy to break5. For Different Materials: Professional Glass Carbide Drill Bit provides smooth and accurate drilling for tile, marble, wood, iron plate, mirrors and glass, etc. Specification:Item Type: Masonry Drill Bit SetMaterial: YG8C Drill Bit Diameter: Approx. 5mm/0.2in6mm/0.24in8mm/0.31in10mm/0.39in12mm/0.47inWorking Depth: Approx. 40mm/1.57in44mm/1.73in47mm/1.85in52mm/2.05in56mm/2.2inShank Diameter: Approx. 6.35mm/0.25inTotal Length: Approx. 72mm / 2.83in75mm / 2.95in76mm / 2.99in82mm / 3.23in85mm / 3.35inPackage List:5 x Masonry DrillNote: Be sure to add water or coolant when drilling continuously. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.