TNMG 160412 T5125 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD‑coated carbide grade for improved wear resistance, a double‑sided chipbreaker for reduced inventory needs, and ISO conformity for straightforward holder compatibility; order the TNMG160412 T5125 insert directly via Metav Werkzeuge or consult the technical advisors for application support.

TNMG160412 T5125 — Indexable turning insert for cast iron, CVD‑coated, Tungaloy

A TNMG160412 T5125 indexable insert engineered for external and internal turning applications, optimised for interrupted cuts and less stable machining conditions.

• CVD‑coated carbide grade T5125
• Suitable for interrupted cuts in cast iron
• Double‑sided chipbreaker, triangular format
• 0° relief angle and 60° geometry

Consistent chip control for interrupted turning

The insert delivers improved process reliability by combining a double‑sided chipbreaker with a tougher CVD coating. This arrangement promotes stable chip formation during interrupted cuts and variable clamping conditions, so the cutting edge retains its geometry for longer. For production environments where cuts are frequently interrupted or setup rigidity is limited, the result is fewer tool changes and steadier component quality. The chipforming design also helps to reduce rework and secondary operations.

Seamless integration with ISO tooling systems

Manufactured to established ISO dimensions, the triangular insert fits standard external holders and boring bars when matched by form, rake and tolerance class. The presence of a central, cylindrical hole ensures secure fastening and repeatable seating in the clamping set, while the double‑usable faces lower stocking needs. Because compatibility depends on holder form, size and thickness, confirmation of the corresponding external holder and clamping set ensures correct fitment and consistent cutting performance.

Material and coating engineered for cast iron performance

The cutting grade is a CVD‑coated carbide specifically selected for enhanced resistance against edge chipping under interrupted loads. The tougher composition suits the machining of cast iron, where hard inclusions and fluctuating cutting forces are common. CVD (chemical vapour deposition) provides a dense coating layer that resists abrasive wear and helps maintain a stable cutting edge, translating into extended life and reliable surface finish on workpieces that would otherwise accelerate wear on more delicate grades.

Geometry and practical benefits for workshop efficiency

With a 60° triangle geometry, a 1.2 mm nose radius and a 0° relief angle, the insert balances strength and profile accuracy for a range of turning tasks. The triangular form offers three usable cutting edges per side and simplifies inventory management, while the moderate nose radius supports dimensional control without compromising edge robustness. In short runs or mixed‑batch production the combination of durable grade and multi‑edge utilisation contributes to lower tooling cost per part and faster changeovers.

For application advice or to source original Tungaloy indexable inserts such as the TNMG160412 T5125, contact Metav Werkzeuge for precise recommendations and ordering: info@metav-werkzeuge.com • +49 2822 7131930

Technical Data

• Article number: 6850302
• SKU: 6850302-Tungaloy
• Manufacturer SKU: TUN6850302
• Manufacturer: Tungaloy

Core data

• Radius: 1.2 mm
• Inscribed circle (size): 16 mm
• Thickness: 4.76 mm
• Cutting angle: 60°
• Relief angle: 0°

Special features

• ISO indexable turning insert series
• Grade: T5125
• Coating: CVD‑coated carbide
• Shape: triangular
• Chipbreaker: double‑sided
• Hole: with cylindrical hole
• Application: turning (external and internal)
• Optimised for cast iron and interrupted cuts

FAQ

What materials is this insert designed to machine most effectively?
The TNMG160412 T5125 insert is formulated for machining cast iron; the T5125 CVD‑coated carbide provides toughness and wear resistance suited to interrupted cuts in cast iron workpieces.

Can the insert be used on both external and internal turning operations?
Yes, the indexable insert is intended for both external and internal turning when paired with the appropriate external holder or boring bar that matches the ISO dimensions and clamping requirements.

How does the double‑sided chipbreaker affect tool life and inventory?
A double‑sided chipbreaker allows multiple cutting edges to be used before disposal, extending effective tool life per insert and reducing the number of different items to keep in stock.

What should be checked to ensure correct holder compatibility?
Compatibility requires matching the insert form, free angle, tolerance class, fastening method, size and thickness to the chosen holder and clamping set; verify these parameters against the TNMG160412 specification.

Is the TNMG160412 T5125 suitable for unstable clamping conditions?
The tougher CVD‑coated carbide grade and chip control features make the TNMG160412 T5125 more forgiving in less stable setups compared with more wear‑focused grades

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.