HANGZHOU ANKA TOOL CO.,LTD is a leading manufacturer of high-quality HSS and TCT annular cutters, available in sizes from 12-200mm and cutting depths of 25-200mm. Our cutters are designed for drilling metals like steel, cast iron, copper, and aluminum, and support various shank types including Weldon, Nitto, and Fein. With advanced manufacturing and strict quality control, we ensure excellent performance and reliability. Common sizes are kept in stock for fast delivery. We offer innovative, high-quality products at competitive prices. Contact us for more information.