SNMG 120412 T9225 Wendeplatten - Tungaloy

Benefit from the combination of a CVD-coated cemented carbide grade built for mid-to-heavy steel machining and the ISO SNMG120412 geometry for reliable, repeatable turning operations; order the inserts through Metav Werkzeuge or request application advice from our consultants.

SNMG120412 T9225 indexable turning insert for robust steel machining — Tungaloy

A SNMG120412 T9225 indexable insert engineered for external and internal turning, offering a universal, tough grade for changing engagement conditions and slightly interrupted cuts.

• SNMG120412 geometry, ISO standard
• CVD-coated cemented carbide grade T9225
• 1.2 mm corner radius for robust edges
• Double-sided chipbreaker, cylindrical hole

Durable performance for mid-to-heavy steel turning

The CVD-coated cemented carbide composition of this insert ensures a robust cutting edge under varying engagement conditions. The T9225 grade is formulated as a universal solution for mid-to-heavy steel machining, delivering a balance between toughness and wear resistance that is particularly useful where interrupted cuts or fluctuating loads occur. Thanks to the coating, heat and adhesive wear are reduced, which can extend tool life and maintain dimensional stability across production batches. Performance characteristics are oriented towards consistent metal removal rates and predictable regrinding intervals to support efficient production planning.

Stable clamping and versatile geometry for workshop use

Designed as an ISO-compliant square insert, the SNMG120412 form gives four indexable cutting edges per insert and a secure clamping interface thanks to the cylindrical hole and defined fastening geometry. The 0° relief angle and 90° included angle provide positive engagement properties that favour general turning tasks, while the 1.2 mm corner radius contributes to a durable edge capable of handling moderate feed rates without premature chipping. Compatibility with the toolholder is determined by the insert form, relief angle, tolerance class, fastening method, size and thickness; holders or boring bars must therefore be selected to match these parameters to ensure correct seating and performance.

Improved chip control and practical system assembly

The double-sided chipbreaker offers flexible chip formation for a range of feeds and cutting depths, improving evacuation and surface finish in steel turning. The insert is supplied as part of a system concept: an ISO indexable turning insert together with a matching external holder or boring bar, underlay/shim and clamping set plus replacement screws are customary for assembly. This system-based approach means that tool changes are swift and reproducible, minimising downtime. For shops seeking predictable outcomes, the combination of geometry, chip control and the T9225 grade is set up to deliver stable cutting conditions and reproducible part quality.

For specification assistance, application recommendations or to reserve Tungaloy SNMG120412 T9225 inserts for steel turning, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 — our team will advise on holder compatibility and process settings.

Technical data

• Article number: 6780729
• SKU: 6780729-Tungaloy
• Manufacturer SKU: TUN6780729
• Manufacturer: Tungaloy
• Model series: ISO indexable turning inserts

Numbers / Core technical data

• Corner radius: 1.2 mm
• Included angle: 90°
• Relief angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 12 mm

Special features / Designs

• Material: cemented carbide
• Coating: CVD-coated carbide grade T9225
• Plate form: square
• Hole: with hole, cylindrical hole
• Chipbreaker: double-sided
• Application: external and internal turning
• Typical system: insert, external holder or boring bar, shim/clamp set, replacement screws

FAQ

What materials is this insert suited for?
The Tungaloy SNMG120412 T9225 insert is suited for machining steel, with the T9225 grade optimised for mid-to-heavy steel turning and situations with slightly interrupted cuts.

How many cutting edges are available per insert?
As a square, ISO SNMG indexable insert, four indexable edges are provided; rotation to a fresh edge is possible when one edge reaches the end of its service life.

Does the insert require a special holder?
Holder compatibility is determined by insert form, relief angle, tolerance class, fastening, size and thickness; the SNMG120412 insert is intended for holders made to the corresponding ISO seat and clamping specifications.

What advantage does the CVD coating provide?
The CVD coating on the cemented carbide reduces adhesive and thermal wear, improving tool life and edge stability when turning steel under elevated temperatures or varied engagement.

Is this insert suitable for interrupted cuts?
Yes, the universal T9225 grade offers added toughness for stable performance in lightly interrupted or variable cutting conditions.

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.