The Eclipse EC-310 EC-292 Counterbore End Milling Cutter is a two-piece Eclipse counterbore end mill set built for precise counterboring in milling operations. It features a 6-flute radial-drive design and includes cutting sizes of 1-9/16" and 1-3/4". Sold as a lot of two, this tooling from Eclipse provides consistent, flat-bottom counterbores for metalworking applications.
