Industrial C6C4-0020 Cat 50 ER20 Collet Chuck Tool Holder provides a CAT 50 spindle interface for mounting an ER20 collet chuck, with a 3-3/4" projection from the spindle face. This tool holder is intended for CAT 50 spindle systems in CNC milling environments that use ER20 tooling. With a 3-3/4" projection, it specifies the distance from the spindle face to the tool holder, aiding setup and compatibility decisions.
