CNMM 120412 T9215 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide T9215, reliable ISO compatibility and a robust 80° rhombic geometry for consistent productivity in medium steel turning; order the insert directly via Metav Werkzeuge or consult the technical team for grade selection and clamping details.

CNMM 120412 T9215 Turning indexable insert by Tungaloy — CVD-coated carbide, 80° rhombic

A CNMM 120412 T9215 turning insert designed for general external and internal turning, optimised for medium steel machining with a balance of wear resistance and toughness

• CNMM 120412 ISO rhombic insert
• CVD-coated carbide grade T9215
• 80° geometry for reliable turning
• One-sided chipbreaker, 1.2 mm radius

Consistent performance for medium steel — longer productive running time

The CVD-coated carbide composition and the designated T9215 grade deliver a dependable mix of wear resistance and fracture toughness that suits continuous to lightly interrupted turning. The coating stabilises the cutting edge at elevated temperatures, reducing flank wear and extending tool life under typical shop-floor feeds and speeds. For manufacturers seeking predictable cycle times, this composition supports higher metal removal rates while preserving surface quality and dimensional repeatability.

Clear ISO compatibility and clamping considerations for secure operation

The ISO designation and the rhombic plate outline provide defined reference points for holder selection: form, clearance angle, tolerance class, fastening method, size and thickness determine compatibility. The 80° geometry combined with a cylindrical hole and supplied mounting clearance makes it straightforward to select a suitable external holder or boring bar, minimising vibration and ensuring repeatable clamping. Correct holder choice reduces insert overhang and improves stability, which directly benefits surface finish and insert life.

Chip control and productivity benefits from a focused edge design

A single-sided chipbreaker matched to the insert contour promotes controlled chip formation when machining steels, easing evacuation and lowering the risk of recutting. The 1.2 mm corner radius supports strength at the edge for a wide range of turning operations, from light finishing to more demanding roughing cuts. This targeted geometry allows shops to prioritise either surface integrity or removal rate depending on process needs, enabling efficient machining cycles and reduced downtime for tool changes.

For reliable procurement and technical guidance on Tungaloy turning inserts, contact Metav Werkzeuge — info@metav-werkzeuge.com or +49 2822 7131930 — to discuss the CNMM 120412 T9215 grade and obtain personalised recommendations for holder pairing and cutting parameters

Technical Data

• Article number: 6772208

Facts

• Manufacturer SKU: TUN6772208
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Insert angle: 80°

Special features

• Designation: CNMM120412
• Grade: T9215
• Material: carbide
• Coating: CVD-coated
• Plate form: rhombic
• Hole: with hole (cylindrical)
• Chipbreaker: one-sided
• Application: turning (external and internal)
• Series: ISO turning indexable inserts
• SKU: 6772208-Tungaloy

FAQ

What materials is this insert best suited for? The CNMM120412 T9215 insert is optimised for medium steel machining, offering a balance of wear resistance and toughness for continuous to slightly interrupted cuts.

Is the insert compatible with standard ISO holders? Yes, the ISO designation and the specified dimensions allow selection of compatible external holders or boring bars based on form, clearance angle and fastening method.

How does the T9215 grade affect tool life? The T9215 CVD-coated carbide grade improves wear resistance and edge stability, which contributes to longer tool life under typical turning conditions.

What does the 80° geometry provide during turning? The 80° rhombic geometry enhances versatility for general turning, combining good approach angles with secure clamping and stability for consistent surface quality.

Can this insert handle interrupted cuts? The insert grade and edge design tolerate light interruptions; for heavy interruptions, evaluate clamping stiffness and consider more robust grades or modified cutting parameters.

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.