Sandvik N151.2-300-4E 1125 Grooving Insert
N151.2-300-4E 1125
- Premium Performance, Exceptional Value.
- Engineered for Efficiency, Dedicated to Your Output.
Product Overview
The Sandvik N151.2-300-4E 1125 is a high-performance carbide grooving insert designed for
external and internal grooving operations in CNC turning. This insert delivers stable cutting performance,
excellent edge security, and consistent surface quality when machining steel materials.

Key Features and Benefits
- Optimized groove geometry for stable chip control
- Durable carbide substrate for long tool life
- 1125 PVD coating for excellent wear and heat resistance
- Reliable performance in continuous and interrupted cuts
- Consistent groove width and surface finish
Grade 1125 – Application Advantages
The 1125 grade is a versatile PVD-coated carbide grade optimized for steel machining.
It offers a balanced combination of toughness and wear resistance, making it suitable for medium to high cutting speeds
in general turning and grooving applications.
Typical Applications
- External grooving
- Internal grooving
- Parting and groove finishing
- CNC turning of carbon steel and alloy steel
Compatible Tooling Systems
This grooving insert is compatible with Sandvik CoroCut tool holders and modular grooving systems.
Proper tool holder selection ensures maximum rigidity, reduced vibration, and extended insert life.
Related tooling categories:
Turning Tools |
Tool Holders |
Tooling Systems
Why Choose This Insert
The Sandvik N151.2-300-4E 1125 is widely used in industrial CNC machining where process stability,
tool reliability, and predictable performance are critical. It is suitable for both batch production
and continuous manufacturing environments.
For pricing, availability, or alternative Sandvik grooving insert solutions, please visit our
Support page or contact our sales team for professional assistance.



