Ultimate Punching Drill Bits Set (4pcs)

SAVE TIME EFFORTLESSLY for your most challenging metal/wood drilling projects with Our Ultimate Punching Drill Bits Set! Made of industrial-grade 6542 HSS Carbide and durable alloy, Ultimate Punching Drill Bits Set performs excellent high-speed drilling with accuration. Its U-type slot design also allows easier chip removal and reduces resistance, thus smoother drilling! Ideal for everyday drilling on even the hardest materials, e.g. steel, alloy, tile, concrete, brick & more. With a variety of sizes for you to choose from, it also features a self-centering point to maintain precise placement.  This easy-to-use bit set is an essential to make all the projects, repair or maintenance more perfect! FEATURES 🛠️ Smooth Drilling Unique groove design provides low resistance, making drilling faster and smoother, and easier to remove chips. 🛠️ Unique DesignU-shaped groove design can quickly remove drill cuttings, anti-skid triangle handle can firmly fix the drill bit in the electric d