Sumitomo BNGGR160 is an external, right‑hand indexable grooving toolholder designed to hold indexable grooving inserts for external turning operations. Identified as model BNGGR160 and carrying the part number #237158, it is part of Sumitomo’s grooving toolholder lineup and built for precise seating and reliable performance in grooving applications. This external, right‑hand holder is intended for use with compatible Sumitomo grooving inserts on turning centers, enabling efficient external grooving operations with standard tooling interfaces.
