Ultimate Multi Surface / Functional Tungsten & Carbide Drill Bits

Complete your DIY projects in no time! Our Ultimate Strong Drill Bits is an innovative tool kit for drilling and creating threaded holes in half of the time with accurate performance even when you're having the most challenging metal/wood drilling projects.  Made of sturdy, industrial-grade 6542 HSS Carbide and durable alloy, which is in excellent high-speed drilling ability.  Specially designed with the W-type slot, it allows effortless chip removal with low resistance, resulting in smoother and faster drilling.---With multiple sizes for you to choose from, it can meet different drilling needs and is perfect to work on various materials, including steel, alloy, tile, concrete, brick, glass, plastic, wood, and more.Highly Efficient: Money-saver; comes in 7 different sizes from 6mm to 12mm in one set to meet a wide range of drilling needs.Premium Material: Study, industrial-grade 6542 HSS Carbide, and top-quality alloy ensure durability and high-speed drilling on different materials.Eas