TCMT 090204 T9225 Wendeplatten - Tungaloy

Take advantage of the CVD-coated carbide in the robust T9225 grade together with the ISO TCMT090204 triangular geometry and a 0.4 mm corner radius for reliable medium-to-heavy turning operations; order directly via Metav Werkzeuge or consult the technical team for holder compatibility and delivery.

TCMT090204 T9225 Tungaloy turning insert — ISO triangular insert for turning, CVD-coated carbide, 60°

The TCMT090204 T9225 is an ISO-standard triangular turning insert intended for external and internal turning of steel, engineered to provide toughness for interrupted cuts and stable chip formation in medium-to-heavy machining.

• CVD-coated carbide for improved wear resistance
• Universal T9225 grade for medium-to-heavy steel turning
• 60° triangular geometry with 0.4 mm corner radius
• Centre hole with single-side countersink for secure clamping

Robust grade and coating for demanding steel operations

The insert is manufactured in a CVD-coated carbide substrate and specified as grade T9225, a universal, tough grade designed for the varied demands of steel turning. This composition offers a balance between hardness and toughness, which is especially beneficial where cutting conditions vary or where light interruptions occur. The coating reduces flank and crater wear, extending tool life and stabilising machining performance across serial production runs.

Geometry and clamping that ensure repeatable accuracy

Featuring a triangular 60° cutting geometry and a 0.4 mm corner radius, the insert delivers a reliable cutting edge for general turning profiles and moderate radius requirements. The insert includes a centre hole with a cylindrical bore plus a single-side countersink (40°–60°) to match standard clamping systems; a relief angle of 7° aids chip flow and reduces rubbing. Clear compatibility depends on form, relief angle, tolerance class, fixation method, size and thickness, so matching the insert to a suitable external holder and shim set is essential for consistent results.

Productivity through predictable chip control and service life

The one-sided chipbreaker design combined with the T9225 grade promotes stable chip formation when machining steels, improving process security and reducing cycle-time variability. For production environments the insert’s wear characteristics translate into longer intervals between indexings and fewer unplanned tool changes, directly supporting higher throughput and lower unit machining costs. Selecting the appropriate chipbreaker and cutting data for the material and operation yields the best balance between surface finish and productivity.

System integration and application guidance for turning setups

The insert forms part of an ISO insert system: the plate, a matching external holder or boring bar, a locating shim/clamp set and replacement screws. Intended primarily for turning operations, the triangular plate is suitable for both external and internal turning when paired with the right holder geometry. Accurate selection of tolerance class and fixation type is recommended to exploit the insert’s mechanical stability and ensure repeatable positioning during multi-pass machining.

Contact Metav Werkzeuge for personalised tool selection, holder compatibility checks and availability of the TCMT090204 T9225 insert; Metav Werkzeuge can advise on optimal fixtures and delivery times — eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930

Technical data

• Article number: 6781016
• SKU: 6781016-Tungaloy
• Manufacturer SKU: TUN6781016
• Model series: ISO turning inserts
• Material: carbide
• Grade/coating: T9225 (CVD-coated)

Facts

• Corner radius: 0.4 mm
• Included angle: 60°
• Relief angle: 7°
• Plate thickness: 2.38 mm
• Plate size: 09

Special features

• Plate form: triangular
• Hole: centre hole with cylindrical bore and one-sided countersink (40°–60°)
• Chipbreaker: one-sided
• Application: turning (external and internal)
• Typical system: ISO insert + external holder/boring bar + shim/clamp set + screws

FAQ

What materials is this insert designed for?
The TCMT090204 T9225 turning insert from Tungaloy is specified as a universal, tough grade for medium-to-heavy steel machining and performs well where interrupted cuts or variable engagement occur.

How does the T9225 grade affect tool life?
The T9225 grade with a CVD coating enhances wear resistance and toughness, improving tool life and providing more predictable wear behaviour under typical turning loads.

Which geometry parameters are critical when selecting a holder?
Match the holder to the insert’s 60° triangle form, 7° relief angle and the centre hole with countersink; correct selection ensures secure clamping and accurate seating of the TCMT090204 insert.

Is the insert suitable for finishing passes?
The insert is primarily intended for medium-to-heavy turning; with appropriate cutting data and the 0.4 mm corner radius, it can be used for semi-finishing and certain finishing operations where surface requirements and stability allow.

What system components are required for mounting the insert?
A compatible ISO external holder or boring bar, a locating shim or clamping set and the corresponding screws are required to mount the TCMT090204 Tungaloy turning insert securely.

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.