Shenzhen OPT Cutting Tool Co., Ltd. is a well-known custom manufacturer, supplier, and factory of high-quality carbide step drills that cater to a wide range of industrial and home-based applications. Our premium-grade carbide material ensures longer lifespan, durability, and efficient performance even when subjected to heavy use. Our carbide step drills come in varying sizes to cater to different drilling requirements, ranging from 4mm up to 50mm. The step drilling feature eliminates the need for multiple drill bits as one tool can drill different diameters, ensuring precision, and saving time and money. Our carbide step drills have a self-centering point that eliminates manual centering, reducing the risk of breakage. The design ensures that the drill bit remains straight even when drilling multiple diameters, reducing the risks of drill bit deflection. At Shenzhen OPT Cutting Tool Co., Ltd., we pride ourselves on providing tailored solutions that meet our customers' needs. Our team of experts ensures timely delivery, and our affordable pricing policy ensures we remain competitive in the market. Contact us today and add a reliable and efficient tool to your toolbox.