Round Die: #4-40, 21 mm OD, Carbon Steel MPN:401102

Round Die: #4-40 is a versatile tool designed to fit multiple die cutting, forming, and blanking applications, with an outer diameter of 21mm. The carbon steel construction ensures durability while offering cost-effectiveness. With its compatibility across numerous industries, such as jewelry, automotive, and electronics, it delivers precision results for various shapes and sizes, providing manufacturers and artisans with a reliable die option for producing high-quality products efficiently.