Showa CVF50-SM150-400 Shell Mill Adapter Tool

The Showa CVF50-SM150-400 Shell Mill Adapter Tool is a Showa-manufactured adapter used to connect a shell milling cutter to a compatible CVF50-style tool system. Identified by the part number CVF50-SM150-400, this adapter is also listed in some catalogs as SHOWA 808 CVF50-SM150-400. As part of Showa’s shell mill tooling lineup, it serves as the interface between a shell mill body and the machine toolholder, enabling reliable seating and repeatable changeovers when working with shell milling configurations that employ the CVF50 interface. This designation—SM150-400—appears in the model name to denote the adapter’s specification within the CVF50 family, helping shops select the correct matching components for their shell milling setups.