SNMG 120412 T5125 Wendeplatten - Tungaloy

Benefit from the combination of a CVD-coated carbide grade and a robust 90° insert geometry for productive cast-iron turning, together with a 1.2 mm corner radius that balances strength and finish. Order the SNMG120412 T5125 indexable insert via Metav Werkzeuge or contact their consultants for application guidance.

SNMG120412 T5125 — ISO indexable turning insert, CVD-coated carbide (Tungaloy)

The SNMG120412 T5125 is an ISO-standard indexable insert for external and internal turning, designed for cast-iron machining and optimised for interrupted cuts and less stable cutting conditions.

• ISO SNMG 120412 geometry, 90° cutting angle
• CVD-coated T5125 carbide for cast iron
• Double-sided insert with 1.2 mm corner radius
• Square plate, 12 mm size, 4.76 mm thickness

Stable performance for cast-iron turning with a tougher grade

The CVD-coated carbide grade T5125 provides a tougher substrate and a wear-resistant coating that improves edge stability under fluctuating loads. This makes the insert particularly suitable for cast iron where interruptions or uneven cutting conditions are common. Because the grade is designed to absorb shock without premature chipping, tool life is extended and machining remains consistent; the coating further supports thermal and abrasive resistance. The combination of CVD-coated carbide and the insert’s geometry reduces the frequency of index changes and supports a steady production flow while maintaining surface quality.

System compatibility and secure clamping for repeatable results

The insert conforms to the ISO SNMG form and therefore depends on the mating holder for correct performance: shape, clearance angle, tolerance class, fastening method, size and plate thickness determine compatibility. The SNMG120412 features a cylindrical hole for positive location and works with standard clamping sets and replacement screws as part of an ISO-compatible system. Selecting a holder with the correct seat geometry and a matching chipbreaker ensures reliable chip flow and reduces vibration. This system approach simplifies tool management and makes replacement straightforward when inserts reach the end of their service life.

Operational benefits and practical application guidance

The double-sided design and a 1.2 mm corner radius strike a practical balance between edge strength and surface finish. The 90° geometry offers general-purpose turning capability for both external and internal operations, while the square plate (12 mm) and 4.76 mm plate thickness provide good rigidity when mounted correctly. For improved results, choose a chipbreaker suited to the workpiece condition and the machining stability available; lighter cuts and stable setups favour finer finishes, while the tougher grade tolerates interrupted or unstable cuts better. For further technical advice or specific application data, Metav Werkzeuge is available to assist at info@metav-werkzeuge.com or by telephone on +49 2822 7131930.

Contact Metav Werkzeuge for application advice and to secure Tungaloy SNMG120412 T5125 indexable inserts for cast-iron turning

Technical data

• Article number: 6852991
• SKU: 6852991-Tungaloy
• Manufacturer SKU: TUN6852991
• Brand: Tungaloy
• Series: ISO-Drehwendeschneidplatten
• Product name: SNMG120412 T5125 Tungaloy indexable insert

Core data

• Corner radius: 1.2 mm
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Cutting angle: 90°
• Clearance angle: 0°

Special features

• CVD-coated carbide
• Grade T5125
• Double-sided chipbreaker
• Square plate form
• Cylindrical locating hole
• Application: Turning
• Material: carbide

FAQ

Which materials is this insert best suited for?
The SNMG120412 T5125 is tailored for machining cast iron; the tougher T5125 grade handles interrupted cuts and less stable conditions particularly well.

How is compatibility with holders ensured?
Compatibility follows the ISO SNMG form: the holder must match the insert’s seat geometry, clearance angle, tolerance class, fastening method and size to ensure correct mounting and performance.

What advantages does the T5125 grade provide?
T5125 is a CVD-coated carbide grade that combines a tougher substrate with a wear-resistant coating, improving edge stability and resistance to chipping under shock loads.

Is the insert reversible and how does the double-sided design help?
The double-sided construction increases the number of usable edges and improves cost efficiency by extending the service life before replacement.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.