CSOOM 10PCS Upgrade Masonry Drill Bit Set，Serrated Concrete Drill Bit, Suitable for Tiles, Glass, Bricks, Ceramics, Plastics and Wood

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• 【High quality】High-strength bully drill adopts industrial-grade cemented carbide tip with excellent hardness and toughness, and after fine polishing and anti-rust treatment, it can ensure sharp and burr-free performance
• 【Anti-vibration design】Hexagonal shank design, excellent stability in the use of the drill, to ensure the stability and continuity of drilling
• 【Size】The 10-piece drill bit set includes five different sizes, 2x3/16"(5mm),3x1/4"(6mm),3x5/16"(8mm),1x3/8"(10mm),1x15/32"(12mm), different sizes can meet your different needs.
• 【Wide range of applications】 Suitable for a wide range of materials, including glass, ceramics, tiles, mirrors, planters, wood, brick walls, marble and thin metal plates. For harder materials such as tile, marble, glass and granite, use water to cool the drill bit and gradually apply pressure while maintaining the tilt angle and transitioning to vertical drilling to ensure accuracy and safety
• 【Quick change】Hexagonal shank for easier and safer use with all power tools; compatible with most common electric drills, power drills, hand drills and bench drills