SUMITOMO Triangle Turning Insert: TNPR321T

The SUMITOMO Triangle Turning Insert is used for precision turning operations on lathes. Its triangular shape provides three cutting edges for efficient metal removal. It is commonly applied in general machining, automotive, and aerospace industries for external and internal turning, facing, and profiling of steel, stainless steel, and cast iron.

The SUMITOMO Triangle Turning Insert is available in models TNPR321T and TNGG160304R-ST, with Manufacturer Part Number TNPR321T-T1500A. It is a Triangle (T) Indexable Turning Insert. The insert geometry and grade are designed for reliable cutting performance. For detailed dimensions and grade specifics, consult the manufacturer's datasheet.

You can source the SUMITOMO Triangle Turning Insert worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We supply genuine SUMITOMO inserts to customers across multiple industries.

To select the correct SUMITOMO Triangle Turning Insert, match the insert model (TNPR321T or TNGG160304R-ST) to your tool holder's pocket size and clamping system. Consider your workpiece material, cutting speed, feed rate, and depth of cut. For optimal results, consult the SUMITOMO technical catalog or contact 3G Electric for guidance.