Kyocera Turning Insert SPM422 TN620, manufacturer part number TSR05447.
Specifications: IC Size: 1/2 in (12.70 mm); Insert Thickness: 1/8 in (3.18 mm); Corner Radius: 1/32 in (0.80 mm); Insert Holding Method: Clamp; Old Material Number: 8862687; Rake: Positive; Number of Cutting Edges: 4; Cutting Range: Medium; Usage Classification: Continuous to Light Interruption; Insert Size: 422; Hand Direction: Neutral; Insert Style: SPM; ANSI Designation: SPM422TN620; ISO Designation: SPMN120308; Included Angle: 90 degrees; Machining Operations: Boring, Chamfering, External Turning, Facing; Insert Grade: TN620; Workpiece Material: Steel; Insert Shape: Square.
Material: Cermet. Coating/Finish: Uncoated. Series: ISOI. Unit of measure: Inch.