Kyocera Turning Insert TNGG221RB TN620, manufacturer part number TSR05934.
Specifications: IC Size: 1/4 in (6.35 mm); Insert Thickness: 1/8 in (3.18 mm); Corner Radius: 1/64 in (0.40 mm); Insert Holding Method: Screw or Clamp; Old Material Number: 8862709; Rake: Negative; Number of Cutting Edges: 6; Cutting Range: Finishing-Medium; Usage Classification: Continuous to Light Interruption; Insert Size: 221; Hand Direction: Right; Insert Style: TNGG; ANSI Designation: TNGG221RBTN620; Chip Breaker Type: B; ISO Designation: TNGG110304R-B; Included Angle: 60 degrees; Machining Operations: Boring, Chamfering, Copying, External Turning, Facing, Up Facing; Insert Grade: TN620; Workpiece Material: Steel; Insert Shape: Triangle.
Material: Cermet. Coating/Finish: Uncoated. Series: ISOI. Unit of measure: Inch.