Small Hole Boring Chipbreaker Geometries Geometry Selection Criteria Pressed Chipbreaker-Type Inserts with Ground Periphery Ground-In Chipbreaker-Type Inserts Chipbreaker Geometry ..HH, ..HT, HP Chipbreaker Geometry ..HH-R/L • Suitable for light to moderate interruption of cuts. • Suitable for smooth cuts. • Use when chip control is a concern. • Use when chip control is a concern. • Superior surface finish and closer tolerance on workpiece. • Superior surface finish and closer tolerance on workpiece. widia.com D37