KORLOY Carbide Inserts – CNMG120412‑VL (NC3215) – Box of 10 (NOS)
This listing is for a new old stock box of KORLOY CNMG120412‑VL carbide turning inserts, grade NC3215, designed for medium‑to‑finishing operations on steel, stainless steel, and cast iron. The VL chipbreaker provides smooth chip control, reduced cutting load, and reliable surface finish in general turning applications.
KORLOY’s NC3215 grade is a versatile CVD‑coated carbide designed for stable wear resistance and consistent performance across a wide range of machining conditions.
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Brand Information
KORLOY (Korea) A global manufacturer of carbide inserts, indexable tooling, and cutting solutions used in CNC machining, automotive, aerospace, and general manufacturing. Known for strong coatings, stable chipbreakers, and reliable performance.
Features and Performance
- CNMG120412‑VL geometry — 80° diamond insert for general turning.
- VL chipbreaker — Medium‑finishing chip control for steel and stainless.
- NC3215 grade — CVD‑coated carbide for stable wear resistance.
- ISO/ANSI equivalent — CNMG6433‑VL.
- Versatile application — Suitable for continuous and light‑interrupted cuts.
- Factory‑sealed NOS condition — Inserts are unused and original.
Material Compatibility
This insert follows ISO material classification and is suitable for the following material groups:
P – Steel (Primary Application)
Optimised for:
- Mild steel
- Carbon steel
- Alloy steel
- Tool steel
- Forged steel
- Cast steel
VL chipbreaker + NC3215 grade deliver stable wear resistance, reliable chip control, and consistent surface finish in general turning and medium‑finishing operations.
Included
• 10 × KORLOY CNMG120412‑VL carbide inserts (NC3215)
• Original KORLOY box (NOS)
Specifications
| Feature | Specification |
|---|---|
| Brand | KORLOY |
| Model | CNMG120412‑VL |
| ANSI Equivalent | CNMG6433‑VL |
| Grade | NC3215 |
| Chipbreaker | VL (finishing/medium) |
| Insert Shape | 80° diamond (C‑style) |
| Coating | CVD |
| Application | Mild steel/Carbon steel/Alloy steel/Tool steel/Forged steel/Cast steel |
| Quantity | 10 inserts |
| Condition | NOS (New Old Stock) |
Keywords
KORLOY CNMG inserts; CNMG120412‑VL; NC3215 carbide; turning inserts; CNC lathe tooling; steel machining inserts; indexable carbide inserts; NOS tooling.




