ER collets are the most widely used clamping system in the world. They are made from Alloy spring steel and fully hardened, which makes them ideal for many machining applications, including boring, milling, reaming, tapping, and grinding. DZ Sales has one of the most comprehensive ER collet collections available in the industry, including ER16, ER20, ER25, ER32, and ER40 sizes. We strongly recommend that you ensure you order the correct ER tap collect for your machine; that way, you won’t accidentally cause permanent damage to your machine. Shop DZ Sales’ collection of tap collets today to keep your machine up and running smoothly and efficiently.