SNMG 120404 T9225 Wendeplatten - Tungaloy

Combine the CVD-coated carbide grade T9225 with ISO compatibility and a 0.4 mm corner radius to achieve productive, repeatable medium-to-heavy steel turning; order directly via Metav Werkzeuge or consult the application specialists for tailored advice.

SNMG120404 T9225 ISO turning insert — CVD-coated carbide, 0.4 mm corner radius — Tungaloy

The SNMG120404 T9225 is an ISO-standard indexable turning insert designed for medium-to-heavy steel turning, offering a robust CVD-coated carbide grade and a square geometry for stable chip control.

• CVD-coated carbide grade T9225
• Robust for medium–heavy steel turning
• ISO-compatible SNMG geometry
• 0.4 mm corner radius for consistent finishes

Increase process stability with a robust universal grade

The insert's T9225 composition is a CVD-coated carbide blend engineered as a robust universal grade for the middle to heavy end of steel machining. This makes the component suited to variable engagement conditions and light interruptions in the cut, where additional toughness reduces the risk of premature edge breakage. Selecting a tougher grade like this typically improves tool life and reduces unscheduled tool changes, which in turn raises overall shop-floor efficiency and contributes to predictable cycle times.

Minimise set-up time thanks to ISO conformity and predictable fit

Compatibility to holders is governed by geometry, relief angle, tolerance class, clamping method, size and thickness. The SNMG form (designation SNMG120404) follows ISO conventions, so the insert will seat reliably in standard SNMG-compatible clamps and holders when the correct pocket and screw arrangements are used. Key dimensions such as 4.76 mm plate thickness and 12 mm inscribed circle provide measurable criteria for selecting the matching toolholder, while the 0° relief angle should be matched with an appropriately designed holder to ensure correct cutting clearance and secure clamping.

Achieve controlled surface quality and chip control

The square plate form combined with a double-sided chipbreaker offers benefits for both external and internal turning operations: repeatable chip formation and improved surface consistency. The 0.4 mm corner radius is well suited to general turning tasks where a balance between strength and finish is required; it provides edge support for interrupted conditions while still allowing for acceptable surface integrity on final passes. Choosing the correct chipbreaker and cutting data in line with the workpiece stability will limit vibration and enhance dimensional control.

Practical application advice for workshop implementation

The insert is delivered with a cylindrical hole for positive clamping; a stable fixing arrangement reduces micro-movement that causes inaccurate cuts. Because the component is ISO-standard, stocking is simplified and inserts can be rotated or replaced with little downtime, supporting lean inventory strategies. The CVD coating enhances wear resistance under dry or lubricated machining, offering longer flank life in many steel applications and contributing to more consistent production output and lower tooling consumption per part.

For application-specific recommendations and to procure the Tungaloy SNMG120404 T9225 insert, contact Metav Werkzeuge — email info@metav-werkzeuge.com or call +49 2822 7131930 for expert guidance and rapid supply

Technical data

• Article number: 6781255
• SKU: 6781255-Tungaloy
• Manufacturer SKU: TUN6781255
• Brand: Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Grade: T9225
• Material: carbide
• Coating: CVD-coated

Specifications

• Geometry: SNMG120404
• Corner radius: 0.4 mm
• Relief angle: 0°
• Plate thickness: 4.76 mm
• Inscribed circle: 12 mm
• Insert angle: 90°
• Hole: with hole
• Hole style: cylindrical hole

Features

• Square plate form
• Double-sided chipbreaker
• ISO-standard turning insert
• Intended for turning applications
• Robust universal grade for medium-to-heavy steel
• Compatibility determined by form, relief angle, tolerance, clamping, size and thickness

FAQ

Which materials are best suited for this insert?
The SNMG120404 T9225 insert is optimised for medium-to-heavy steel machining; the T9225 grade and CVD coating are chosen to balance wear resistance and toughness for such applications.

How does the insert attach to the holder?
The insert has a cylindrical hole for positive clamping; compatibility depends on holder pocket geometry, clamping method, tolerance class and the specified plate thickness and size.

Is the chipbreaker suitable for interrupted cuts?
Yes — the double-sided chipbreaker design combined with the robust T9225 grade supports light interruptions and variable engagement conditions by promoting stable chip formation.

What finish can be expected with a 0.4 mm corner radius?
A 0.4 mm corner radius provides a compromise between edge strength and surface quality, delivering consistent finishes on general turning passes while supporting edge integrity under tougher conditions.

Can this insert be used for internal turning?
The insert form and chip control features allow use in both external and internal turning operations, provided a compatible holder and appropriate cutting parameters are selected.

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.