CNMG 120412 T9225 Wendeplatten - Tungaloy

Take advantage of the ISO-standard geometry, CVD‑coated carbide T9225 and double‑sided chipbreaker for stable, economical turning performance; order via Metav Werkzeuge or consult our specialists for holder compatibility and process optimisation.

CNMG120412 T9225 — CNMG ISO turning insert for medium-to-heavy steel turning by Tungaloy

CNMG120412 T9225 is an ISO‑standard rhombic turning insert engineered for robust medium‑to‑heavy steel turning, offering a CVD‑coated carbide body and a double‑sided chipbreaker for reliable performance in variable cutting conditions

• ISO-standard rhombic geometry
• CVD-coated carbide T9225 grade
• Suited for medium-to-heavy steel turning
• Double-sided chipbreaker with cylindrical hole

Consistent performance where cuts vary

The CVD‑coated carbide composition and the T9225 grade prioritise toughness and flank stability, which is beneficial when engagement conditions change or when slight interruptions occur. The coating enhances wear resistance while the substrate maintains edge strength, so the insert delivers repeatable tool life and predictable machining results even under mixed cutting regimes. These material choices reduce the risk of premature edge failure and support longer tool cycles in serial production.

Geometry that simplifies holder selection and seating

Because the insert follows ISO‑standard dimensions, compatibility is determined by form, clearance angle (0°), tolerance class, fastening method, size and thickness. The rhombic shape with an included angle of 80° and a 1.2 mm corner radius provides a balance between strength and accessibility for external and internal turning. The standardised geometry means the insert can be seated in common ISO holders; however, matching the seat profile and clamp style is essential to ensure optimal contact and rigidity.

Reliable chip control and secure clamping

The double‑sided chipbreaker improves chip formation across a range of feeds and depths, aiding evacuation and reducing recutting. A cylindrical hole supports secure clamping and repeatable indexing; as the insert is double sided, two usable cutting positions are available, improving cost efficiency per edge. In combination with the coated surface, the chipbreaker design helps maintain surface finish and process stability, particularly in medium‑to‑heavy steel turning operations.

Practical inventory and process advantages

Using a universal grade such as T9225 simplifies tooling stocks since a single insert grade covers many common steel machining tasks. The insert’s 4.76 mm thickness and standard 12 mm size contribute to robust support in the toolholder, while the 1.2 mm corner radius offers a compromise between edge strength and finishing capability. For shops seeking predictable performance with minimal tool change complexity, this insert supports steady cycle times and easier planning of spare inserts.

For robust medium‑to‑heavy steel turning applications, request the Tungaloy CNMG120412 T9225 insert via Metav Werkzeuge — Metav Werkzeuge’s specialists can advise on holder compatibility and process parameters; email info@metav-werkzeuge.com or call +49 2822 7131930 for tailored guidance

Technical data

• Article number: 6781252
• Manufacturer SKU: TUN6781252
• Our SKU: 6781252-Tungaloy
• Series: ISO turning inserts
• Designation: CNMG120412 T9225 Tungaloy insert

Core specifications

• Corner radius: 1.2 mm
• Inscribed circle / size: 12 mm
• Thickness: 4.76 mm
• Clearance angle: 0°
• Included angle: 80°

Special features

• Material: CVD-coated carbide
• Grade: T9225 — robust universal for medium-to-heavy steel
• Shape: rhombic
• Hole: with cylindrical hole
• Chipbreaker: double-sided
• Application: turning

FAQ

What materials is this insert designed to machine? The insert is designed primarily for medium‑to‑heavy steel turning; the T9225 grade offers the toughness required for changing engagement and light interruptions common in steel machining.

Which geometry and sizes are relevant for holder compatibility? Key geometry details include the 12 mm size, 4.76 mm thickness, 1.2 mm corner radius, 0° clearance angle and 80° included angle; compatibility is determined by these dimensions together with form and fastening.

How does the chipbreaker influence machining results? The double‑sided chipbreaker improves chip formation and evacuation across a range of feeds, helping to maintain surface finish and process security during stable and variable cuts.

Is the insert indexed and how many cutting edges are available per insert? The insert is double sided and typically provides two usable cutting edges per insert, which supports economical edge utilisation.

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.