Multifunctional Drill Bits Ceramic Glass Punching Hole Working Sets Description: Multifunctional Drill Bits is made of industrial-grade 6542 HSS Carbide and durable alloy to perform excellent high-speed drilling. With W-type slot design, it allows easier chip removal and reduces resistance, resulting in smoother drilling. Ideal for everyday drilling on multiple materials including steel, alloy, tile, concrete, brick, glass, plastic, wood and more. FEATURES: Premium material 6542 HSS Carbide and durable alloy with reinforced head prevent bit cracking and provide longer life. Wide usage Strong carbide tip with spear pointed design can easily drill through various materials like tile, concrete, brick, glass, plastic, wood, etc. Easy chip removal W-type slot design provides low resistance, resulting in faster & smoother drilling and easier chip removal. Anti-slip shrank Triangular shank allows drill bits to be held tightly and prevents slip. Universal Can be installed in any standard electric drills. SPECIFICATIONS: Material: Hard Alloy Blade Top Corner: 135° Blade Diameter: 3-12mm size:(3-12mm）：3/4/5/6/8/10/12mm PACKAGE INCLUDES: 1 x Multifunctional Drill Drill Bit Celebration Activ Multifunctional Drill Bits Ceramic Glass Punching Hole Working Sets 3-12Mm High-Quality Construction:Our home tools are made from premium materials to ensure durability and long-lasting performance. Each tool is crafted with precision, offering reliable and efficient results for all your home improvement tasks. Versatile and Multi-Functional:Designed to handle a wide range of tasks, our home tools are versatile and multi-functional. Whether you're fixing, assembling, or maintaining, these tools provide the functionality you need for various DIY projects. Ergonomic and User-Friendly:Our home tools feature ergonomic designs that provide a comfortable and secure grip, reducing hand fatigue during extended use. They are user-friendly and designed to make your work easier and more efficient. Compact and Organized Storage:We prioritize convenience and organization.