SNMG 120412 T9205 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD‑coated carbide grade for extended edge life and a 1.2 mm corner radius for robust cutting in steel turning; order directly via Metav Werkzeuge or consult our specialists for application-specific recommendations.

SNMG120412 T9205 – SNMG indexable turning insert, square 90°, Tungaloy

The SNMG120412 T9205 is an ISO‑standard square indexable insert designed for productive external and internal turning of steel under stable conditions.

• ISO SNMG 120412 form, 90° square insert
• CVD‑coated carbide grade T9205
• 1.2 mm corner radius for robust cutting
• Double‑sided insert with cylindrical hole

Greater productivity through consistent edge life

The T9205 grade combines a CVD‑coated carbide substrate with a wear‑resistant coating designed for productive turning of steel at elevated cutting speeds. The coating reduces flank wear and thermal breakdown, which leads to longer intervals between indexings and fewer insert changes on the toolholder. For production environments this translates into higher machine uptime and a lower cost per component, since the insert maintains cutting geometry and surface finish for longer. The description of the coating and grade indicates a focus on stability and repeatable performance rather than experimental, high‑risk cutting.

Predictable fit and simple mounting for ISO systems

Compatibility with ISO tooling systems is determined by the insert’s shape, clearance angle, tolerance class, fixing method, size and thickness. This square SNMG form with a 90° included angle and a 0° clearance specification offers a neutral cutting geometry that is easy to set up in a matching external holder or boring bar. The central cylindrical hole enables secure fastening with standard clamping hardware and replacement screws, ensuring reproducible seating and concentricity. Clear identification of the ISO designation simplifies tool selection in multi‑machine shops, reduces setup time and supports consistent process control.

Economy and versatility from a double‑sided design

The double‑sided, indexable design of this insert offers two effective cutting edges per side, increasing the usable life compared with single‑edged solutions and improving overall economy. The 1.2 mm corner radius provides a balance between edge strength and surface finish, suitable for medium to heavy finishing passes in stable set‑ups. Typical applications include external profiling and internal turning where controlled chip formation and stable cutting forces are priorities. Production engineers will value the ability to pair this insert with appropriate chipbreakers and holder rigidity to optimise material removal rates while maintaining surface integrity.

For reliable, high‑productivity turning with Tungaloy’s T9205 grade, contact Metav Werkzeuge for ordering and application support at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6785742
• Manufacturer SKU: TUN6785742
• Model series: ISO indexable turning inserts
• Designation: SNMG120412
• Grade: T9205
• Manufacturer: Tungaloy

Facts

• Corner radius: 1.2 mm
• Included angle: 90°
• Clearance angle: 0°
• Insert size: 12 mm
• Thickness: 4.76 mm
• With hole: yes

Special features

• Coating: CVD‑coated carbide
• Material: carbide
• Chipbreaker: double‑sided
• Shape: square
• Hole style: cylindrical hole
• Typical application: turning (external and internal)

FAQ

Is this insert suitable for finishing and roughing operations?
The SNMG120412 T9205 insert from Tungaloy is engineered for productive turning of steel and suits finishing to medium roughing under stable conditions; pairing with the correct chipbreaker and holder rigidity will determine optimal use.

How many usable edges does the insert provide?
As a double‑sided SNMG insert the SNMG120412 T9205 provides multiple indexable edges, increasing tool life and cost efficiency in series production.

What is the significance of the 1.2 mm corner radius?
A 1.2 mm corner radius on this indexable turning insert offers enhanced edge strength for heavier cuts while still delivering acceptable surface quality in most steel turning tasks.

Does the insert require a special holder?
The SNMG120412 follows ISO form standards and therefore fits matching SNMG holders; correct holder selection and secure clamping via the cylindrical hole are essential for process stability.

Which materials are recommended for this grade?
The T9205 grade and CVD‑coated carbide substrate are optimised for machining steel in stable turning applications; suitability for other materials should be evaluated against process 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.