Kyocera Turning Insert SPMR421G TN60, manufacturer part number TSJ01275.
Specifications: IC Size: 1/2 in (12.70 mm); Insert Thickness: 1/8 in (3.18 mm); Corner Radius: 1/64 in (0.40 mm); Insert Holding Method: Clamp; Old Material Number: 8807928; Rake: Positive; Number of Cutting Edges: 4; Cutting Range: Medium; Usage Classification: Continuous; Insert Size: 421; Hand Direction: Neutral; Insert Style: SPMR; ANSI Designation: SPMR421GTN60; Chip Breaker Type: G; ISO Designation: SPMR120304G; Included Angle: 90 degrees; Machining Operations: Boring, Chamfering, External Turning, Facing; Insert Grade: TN60; Workpiece Material: Steel; Insert Shape: Square.
Material: Cermet. Coating/Finish: Uncoated. Series: ISOI. Unit of measure: Inch.