CNMM 120404 T9225 Wendeplatten - Tungaloy

Combining the toughness of the T9225 CVD-coated carbide grade with the ISO CNMM120404 form and an edge radius of 0.4 mm delivers reliable chip control and extended tool life for medium-to-heavy steel turning; order directly via Metav Werkzeuge or consult their specialists for holder compatibility and grade selection.

CNMM 120404 T9225 Turning Insert — Tungaloy

A CNMM120404 T9225 indexable insert engineered for external and internal turning, offering robust chip control and consistent performance in variable steel cutting conditions

• CVD-coated universal grade T9225
• Robust chip control, single-sided breaker
• ISO CNMM120404 rhomboid geometry
• Edge radius 0.4 mm for heavy cuts

Consistent cutting performance for demanding steel operations

The combination of CVD-coated carbide and the T9225 grade provides a balance of wear resistance and toughness that is especially suitable for medium-to-heavy steel machining. The ISO designation ensures standardised geometry, so the insert can be integrated into established tool systems without uncertainty. Because the grade is designed for variable engagement and light interruptions, process stability is promoted and tool life is extended under fluctuating cutting conditions. Technical parameters such as the rhomboid form and the 80° cutting angle contribute to a predictable contact area, which reduces the frequency of unexpected tool changes and stabilises cycle times.

Predictable chip control and straightforward holder matching

A single-sided chipbreaker and the rhomboid form guide chips reliably away from the cut, reducing chatter and easing chip evacuation in both external and internal turning operations. The insert is supplied with a cylindrical hole and a 0° relief angle, so compatibility with a suitable clamping set and external holders is defined by form, clearance angle, tolerance class, fastening method, size and thickness. For retrofit or setup considerations, the inscribed circle (size 12) and plate thickness (4.76 mm) are the decisive measurements to match with standard holders and boring bars. Further compatibility checks can be provided by Metav Werkzeuge to ensure correct clamping and optimal cutting parameters.

Robust design for production environments and lower downtime

The edge radius 0.4 mm and reinforced plate thickness offer increased resistance to mechanical shock and interrupted cuts, resulting in a reduced risk of edge chipping in heavy feed scenarios. Secure fastening via the central hole and the standardised ISO geometry ensure repeatable seating and orientation, which supports quick indexation and minimal setup variance between inserts. These attributes translate into longer intervals between changes, predictable surface finish quality and improved machine uptime — advantages that contribute directly to manufacturing efficiency and confidence on the shop floor.

For robust and versatile steel turning, request Tungaloy CNMM120404 T9225 inserts via Metav Werkzeuge and consult their specialists for holder compatibility and recommended cutting data

Technical data

• Article number: 6780864
• Manufacturer SKU: TUN6780864
• SKU: 6780864-Tungaloy
• Model series: ISO indexable turning inserts
• Material: carbide

Facts

• Cutting edge angle: 80°
• Relief angle: 0°
• Size (inscribed circle): 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm

Special features

• Grade: T9225 (CVD-coated carbide)
• Single-sided chipbreaker
• Rhomboid plate form
• With cylindrical hole
• ISO designation CNMM120404
• Application: turning
• Compatible with external holders, boring bars, clamping sets and replacement screws

FAQ

Which materials is this insert best suited for?
The CNMM120404 T9225 insert from Tungaloy is formulated as a robust universal grade for medium-to-heavy steel machining and performs well where interrupted cuts or variable engagement demand added toughness.

How does the chipbreaker affect process reliability?
The single-sided chipbreaker on the CNMM120404 geometry controls chip flow and reduces the risk of entanglement, which improves chip control and contributes to steadier cutting forces and surface finish.

What dimensions are critical when selecting a compatible holder?
Key data to match are the inscribed circle (12 mm), plate thickness (4.76 mm), rhomboid form and the presence of a cylindrical hole; these determine mechanical fit and clamping method for the chosen holder.

Is this insert suitable for interrupted cuts or mixed cutting conditions?
Yes; the T9225 CVD-coated carbide grade offers increased toughness for interrupted cuts and variable engagement, helping to avoid premature edge failure under unstable conditions.

Can this insert be used for internal turning as well as external turning?
The insert is specified for both external and internal turning, provided a suitable holder or boring bar is used that matches the plate geometry and clamping requirements.

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.