
The TNMG220416-KR is a premium double-sided triangular carbide turning insert designed for medium to rough turning operations. Featuring a 60 triangular negative geometry and KR chipbreaker, it provides excellent chip control, high edge strength, and stable machining performance. The insert is suitable for external turning, facing, profiling, and general-purpose machining on CNC lathes and conventional turning machines. It is commonly used for machining steel, stainless steel, cast iron, and alloy steels.
Technical Specifications| Specification | Details |
|---|---|
| Product Type | Indexable Turning Insert |
| Model | TNMG220416-KR |
| Material | Cemented Carbide |
| Shape | Triangular (60) |
| Insert Type | Negative, Double-Sided |
| Chipbreaker | KR |
| Hand | Neutral |
| Inscribed Circle (IC) | 12.7 mm |
| Insert Size | 22 |
| Thickness (S) | 4.76 mm |
| Corner Radius (RE) | 1.6 mm |
| Hole Diameter (D1) | 5.16 mm |
| Included Angle | 60 |
| Number of Cutting Edges | 6 |
| Mounting Style | Screw Clamp |
| Weight (1 Piece) | Approx. 11.5 g |
| Color | Grade Dependent |
| Pack Size | Usually 10 Pieces |
The weight is approximately 11.5 g per insert, based on published specifications for TNMG220416 inserts of the same ISO size.
Features



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