DNMG 150412 T9225 Wendeplatten - Tungaloy

Benefit from a combination of CVD-coated carbide toughness, a 1.2 mm corner radius and ISO compatibility for dependable medium-to-heavy steel turning; order direct via Metav Werkzeuge or consult our advisors for application matching.

DNMG150412 T9225 turning insert by Tungaloy — CVD-coated carbide, 55° rhombic geometry

The DNMG150412 T9225 is an ISO-standard rhombic indexable insert for external and internal turning, designed as a robust universal grade for medium-to-heavy steel machining.

• ISO rhombic form, 55° cutting geometry
• CVD-coated carbide for high wear resistance
• Double-sided chipbreaker for consistent chips
• 1.2 mm corner radius for stronger cutting edge

Proven productivity for medium-to-heavy steel turning

The CVD-coated carbide T9225 grade provides a balance of wear resistance and toughness suitable for demanding steel applications. Its robust universal grade is engineered to tolerate variable engagement and lightly interrupted cuts, which reduces insert change frequency and supports longer production runs. By selecting this grade, process planners can expect improved tool life and more consistent component quality, enabling higher material removal rates without sacrificing surface finish. The combination of coating technology and substrate hardness makes it possible to maintain cutting performance across varying feeds and depths, translating directly into operational efficiency and predictable machining cycles.

Secure fit and straightforward integration into tool systems

Designed to the ISO DNMG150412 specification, the insert offers an established 55° rhombic geometry that mates with many external holders and boring bars. Compatibility is governed by form, relief angle, tolerance class, mounting method, size and thickness, so the insert fits reliably when the correct holder is chosen. Key dimensions such as 4.76 mm thickness and a nominal 15 mm size simplify selection and stocking for production environments. The presence of a cylindrical hole supports secure clamping and repeatable seat location, reducing setup variation and helping maintain concentricity and process stability during batch production.

Consistent chip control and superior edge strength for repeatable finishes

Chip control is achieved through the double-sided chipbreaker, which offers two usable cutting edges per side and consistent swarf formation across common steel grades. The 1.2 mm corner radius contributes to a durable cutting edge that resists chipping under intermittent cutting conditions and enhances surface integrity on finished parts. The rhombic shape and relief geometry permit both external and some internal turning strategies, giving shops flexibility to standardise on one insert shape for multiple operations. Together, the chipbreaker, corner radius and coating deliver a stable cutting process that supports predictable cycle times and reduces the need for rework.

Practical system considerations for reliable machining

A full machining setup comprises the ISO indexable insert, a compatible external holder or boring bar, an appropriate shim or clamp set and the correct replacement screws. Ensuring that the holder matches the insert’s relief angle (0°) and tolerances minimises runout and maximises edge life. Where interrupted cuts or mixed engagement are encountered, the Tungaloy grade’s toughness and optimised chipformer geometry help maintain production uptime. For operations aiming to balance performance with process security, choosing inserts of this specification simplifies inventory and supports repeatable setups across batch sizes.

Contact Metav Werkzeuge for application-specific recommendations and to arrange supply of original Tungaloy inserts: info@metav-werkzeuge.com / +49 2822 7131930

Technical data

• Article number: 6780767
• SKU: 6780767-Tungaloy
• Manufacturer SKU: TUN6780767
• Manufacturer: Tungaloy
• Model series: ISO turning indexable inserts
• Application: Turning
• Material: Carbide

Specifications

• Corner radius: 1.2 mm
• Insert size: 15 mm
• Plate thickness: 4.76 mm
• Relief angle: 0°
• Cutting geometry angle: 55°

Special features

• ISO designation: DNMG150412
• Grade/coating: T9225
• Coating type: CVD-coated carbide
• Shape: rhombic
• Hole: with cylindrical hole
• Chipbreaker: double-sided
• Suitable for: medium to heavy steel machining
• System components: insert, holder/boring bar, shim/clamp set, replacement screws

FAQ

What materials is this insert designed for?
The DNMG150412 T9225 insert is intended primarily for medium-to-heavy steel machining; the T9225 CVD-coated carbide grade offers toughness and wear resistance suited to those conditions.

Can this insert be used for interrupted cuts?
Yes. The T9225 grade and the 1.2 mm corner radius provide enhanced edge strength and toughness for operations with occasional interruptions.

How is chip control achieved with this insert?
Chip control comes from the double-sided chipbreaker and the insert’s geometry, which together promote consistent swarf formation and reliable evacuation during turning.

Which holders are compatible with the DNMG150412 insert?
Compatibility depends on matching the insert’s ISO rhombic form, relief angle, tolerance class, mounting method, size and thickness; select holders specified for DNMG 55° rhombic inserts and the same thickness and hole style.

How many usable edges per insert are available?
The double-sided configuration provides multiple usable cutting edges; correct indexing doubles effective edges and supports economical tool usage.

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.