CNMG 120408 T9225 Wendeplatten - Tungaloy

Benefit from the robust T9225 CVD-coated carbide grade combined with the ISO CNMG120408 geometry for reliable medium-to-heavy steel turning; the rhombic insert with a 0° clearance and secure cylindrical hole offers stable clamping and consistent surface finish. Order the insert directly via Metav Werkzeuge or contact our consultants for application-specific advice.

CNMG120408 T9225 Indexable Turning Insert for Turning — Tungaloy

CNMG120408 T9225 is a rhombic ISO indexable turning insert with CVD-coated carbide designed for medium-to-heavy steel turning applications

• CVD-coated carbide grade T9225
• Robust universal grade for medium–heavy steel
• Rhombic CNMG form, 0° clearance angle
• Double-sided chipbreaker, with cylindrical hole

Dependable cutting performance for medium-to-heavy steel turning

The CNMG120408 T9225 indexable insert delivers a balance of toughness and wear resistance thanks to the CVD-coated carbide substrate and the T9225 grade. This combination is optimised for variable engagement conditions and intermittent cuts, where higher toughness prevents edge chipping and extends service life. The result is fewer tool changes and more predictable cycle times, which contributes to improved productivity in series turning and component finishing. The coating increases resistance to abrasive wear while maintaining edge integrity under heavier depths of cut.

Geometry that ensures repeatable clamping and consistent surface finish

The rhombic plate form and the ISO CNMG geometry provide a stable cutting angle and repeatable seating in standard holders. The insert’s 0° clearance angle and 80° included angle make it suitable for many external and internal turning tasks where neutral or robust rake conditions are required. The 0.8 mm corner radius helps to maintain edge strength and achieve consistent surface roughness on steel parts, while compatibility with the clamping system is governed by form, clearance angle, tolerance class, fastening method, size and thickness — factors that determine correct seat and secure retention in the toolholder.

System readiness and economical replacement strategy

This ISO indexable insert is designed for straightforward integration into a standard turning system: matching external holders or boring bars, a suitable clamp pad and the correct fastening screws complete the assembly. The double-sided chipbreaker and the presence of a cylindrical hole allow indexing to a fresh cutting edge, effectively doubling usable life per insert and reducing inventory turnover. The plate thickness of 4.76 mm and the standard 12 format simplify selection from existing tool families. Select the chipbreaker and grade according to workpiece material, depth of cut and machine stability to obtain predictable tool life and consistent part quality.

Contact Metav Werkzeuge for tailored advice on applying the Tungaloy CNMG120408 T9225 indexable insert in turning setups — email info@metav-werkzeuge.com or call +49 2822 7131930 for application support and availability.

Technical Data

• Article number: 6781356
• SKU: 6781356-Tungaloy
• Manufacturer SKU: TUN6781356
• Model series: ISO-Drehwendeschneidplatten
• Manufacturer: Tungaloy

Facts

• Shape / size: CNMG / 12
• Plate thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 80°
• Clearance angle: 0°

Special features

• Material: carbide (Hartmetall)
• Coating: CVD-coated
• Grade: T9225
• Plate form: rhombic
• Hole: with cylindrical hole
• Chipbreaker: double-sided
• Application: Turning (external and internal)

FAQ

What materials is this insert best suited for?
The CNMG120408 T9225 insert is specified for medium-to-heavy steel turning; the CVD-coated carbide and T9225 grade offer a good balance of wear resistance and toughness for varied steel alloys.

How does the T9225 grade help with interrupted cuts?
The T9225 grade provides enhanced toughness compared with conventional wear-focused grades, so the Tungaloy CNMG120408 insert tolerates slight interruptions and variable engagement conditions with reduced risk of chipping.

Is the insert compatible with standard CNMG holders?
Compatibility depends on matching form, clearance angle, tolerance class, fastening method, size and thickness; the CNMG120408 geometry is ISO standard, so it fits holders specified for CNMG 12 inserts when those parameters align.

How many cutting edges are available before replacement?
With a double-sided chipbreaker and the central cylindrical hole for secure clamping, the indexable insert provides multiple usable cutting edges through rotation and indexing, effectively extending service life per insert.

What practical benefits does the CVD coating provide?
The CVD coating on this carbide substrate improves abrasive wear resistance and helps maintain edge definition under higher cutting temperatures and longer runs, which supports consistent part quality over extended cycles.

Which factors should be considered when selecting the chipbreaker?
Choose the chipbreaker according to material, depth of cut and machine stability; the dual-sided chipbreaker on this insert offers versatility, but optimal chip control requires matching geometry to the specific turning operation.

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.