CNMM 190624 T9225 Wendeplatten - Tungaloy

Benefit from the robust T9225 CVD‑coated carbide grade and ISO‑standard CNMM190624 geometry for consistent medium‑to‑heavy steel turning; the design combines reliable chip control with straightforward mounting. Order the CNMM190624 T9225 Tungaloy insert directly via Metav Werkzeuge or consult our specialists for application advice.

CNMM 190624 T9225 — Tungaloy indexable turning insert, CVD‑coated carbide, 80° rhombic

The CNMM 190624 T9225 is an ISO‑standard indexable insert engineered for external and internal turning, offering a robust universal grade for variable cutting conditions and interrupted cuts.

• CVD‑coated carbide grade T9225
• Universal grade for medium–heavy steel
• ISO CNMM190624 rhombic 80° geometry
• Cylindrical hole, single‑sided chipbreaker

Reliable performance for medium-to-heavy steel turning

The rhombic 80° geometry and CVD‑coated carbide construction deliver stable cutting behaviour in varying engagement conditions. Designed as a universal grade, T9225 combines toughness with wear resistance so that machining of steels under slightly interrupted cuts achieves fewer insert changes and steadier process windows. This translates into improved machine uptime and a more favourable cost‑per‑part ratio, because the grade tolerates changes in cutting depth and feed without rapid edge failure. The single‑sided chipbreaker supports predictable chip formation, reducing the risk of entanglement and improving surface consistency.

Compatibility and secure mounting for efficient changeovers

Compatibility is determined by form, relief angle (0°), tolerance class, fastening method, size and thickness; correct holder selection is therefore essential for repeatable clamping and cutting. The rhombic CNMM form with a cylindrical hole enables positive seating in many standard external holders and boring bars designed for ISO inserts; the 6.35 mm thickness and 19 mm inscribed circle ensure mechanical stability under heavier radial loads. When matching a holder, assess seating face and screw/clamp arrangement to guarantee correct cutting angles and safe clamping — this reduces chatter and preserves tool life.

Coating and grade advantages that extend tool life

The CVD layer on this grade acts as a hard, thermally stable surface that defends the cutting edge against abrasive wear while retaining substrate toughness beneath. As a result, the CVD‑coated carbide exhibits consistent flank wear progression rather than sudden edge breakage, which benefits series production and mixed‑batch work. The corner radius 2.4 mm provides a balance between strength and finish: larger radii increase edge robustness for interrupted cuts and roughing, while still enabling acceptable surface quality in many finishing passes. Specify the chipbreaker and grade according to workpiece material, rigidity and desired surface finish to get the best compromise between productivity and cost.

Practical selection advice for process optimisation

For stable turning of alloyed or carbon steels, choose the T9225 grade combined with an appropriate insert geometry and holder rigidity; in lighter‑duty finishing choose smaller corner radii or softer chipbreakers, while for interrupted cuts or heavy roughing retain the 2.4 mm radius and robust clamping. The ISO format simplifies stock‑keeping and tool change routines across multiple machines. Where process security and repeatability matter, standardised ISO inserts and correctly specified holders reduce setup time and variation between operators, supporting consistent part quality and predictable tool consumption.

Contact Metav Werkzeuge for tailored recommendations on Tungaloy CNMM 190624 T9225 inserts and compatible holders — email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss application details and availability

Technical data

• Article number: 6781330
• Manufacturer SKU: TUN6781330
• SKU: 6781330-Tungaloy
• Brand: Tungaloy
• Model series: ISO turning indexable inserts

Facts

• Size (inscribed circle): 19 mm
• Thickness: 6.35 mm
• Corner radius: 2.4 mm
• Relief angle: 0°
• Included angle: 80°
• Hole: with cylindrical hole

Special features

• Grade: T9225, CVD‑coated carbide
• Geometry: rhombic, ISO CNMM190624
• Chipbreaker: single‑sided
• Application: turning (external and internal)
• Mounting: cylindrical hole for standard ISO holders
• Compatibility criteria: form, relief angle, tolerance class, fastening, size, thickness

FAQ

What holder types are compatible with this rhombic CNMM insert?
The CNMM190624 T9225 indexable insert fits holders and boring bars designed for ISO rhombic CNMM inserts with a cylindrical hole and 19 mm inscribed circle; correct seating and clamping according to the holder’s tolerance class ensure secure mounting.

Which materials is the T9225 grade best suited for?
The T9225 CVD‑coated carbide grade is formulated as a universal choice for steel machining, particularly medium‑to‑heavy turning where variable engagement or slight interruptions occur.

How does the 2.4 mm corner radius affect machining?
A 2.4 mm corner radius increases edge strength and is beneficial for roughing and interrupted cuts, improving stability and reducing the likelihood of edge chipping while maintaining acceptable surface finish for many applications.

Can this insert be used for internal turning operations?
Yes — the ISO CNMM190624 geometry and mounting features allow use in suitable internal holders and boring bars, provided the toolholder offers appropriate rigidity and clearance for the insert thickness and relief angle.

How is chip control achieved with this insert?
Chip control is managed by the single‑sided chipbreaker integrated into the insert geometry; combined with the CVD‑coated carbide grade, this supports predictable chip formation and helps maintain surface quality during medium‑to‑heavy steel turning.

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.