Fein Power Tool Accessories Clamp 615547 - Fein 64203013010, Fein manufactures the threaded drill collet chuck with a diameter of 8 mm, identified by part number 64203013010. This power tool accessory features a secure clamping mechanism ideal for precision drilling tasks. It is commonly used in industrial settings requiring reliable and consistent performance. Fein 64203013010 Collet Chuck Dia 8mm Tool-Free Tap Change QuickIN Compatible