SNMG 120412 T9225 Wendeplatten - Tungaloy

Robust performance from a CVD‑coated carbide grade and a 90° ISO geometry ensures stable chip control and long tool life; combine economy and reliable machining for consistent turning results. Order the insert directly via Metav Werkzeuge or consult our technical advisors for application support.

SNMG120412 T9225 SNMG turning insert – CVD‑coated carbide, universal grade by Tungaloy

SNMG120412 T9225 is an ISO‑compliant turning insert designed for medium to heavy steel turning applications with a 90° insert angle and a rugged, general‑purpose grade.

• ISO‑compliant SNMG geometry
• CVD‑coated carbide grade T9225
• Suitable for medium to heavy steel
• Double‑sided with cylindrical hole

Enhanced process reliability through proven grade and coating

The combination of a CVD‑coated carbide substrate and the T9225 grade delivers a robust balance between wear resistance and toughness. This makes the insert especially suitable for turning operations where cutting conditions vary or involve slightly interrupted cuts. The coating reduces flank and crater wear, while the substrate maintains edge strength, resulting in consistent tool life and fewer insert changes. In practical terms, this reduces downtime and supports more predictable production planning for batch and continuous turning.

Predictable chip control and dimensional accuracy

The SNMG geometry with its 90° configuration and double‑sided design provides repeatable seating and orientation in the holder, helping to maintain dimensional stability across multiple indexings. The built‑in double‑sided chipbreaker design supports controlled chip segmentation when machining steels, improving surface finish and reducing the risk of chip entanglement. For shops aiming for reproducible tolerances, this insert aids in maintaining process windows and minimising rework.

Versatile application range with clear mounting compatibility

As an ISO‑standard insert, compatibility with holders is determined by form, relief angle, tolerance class, clamping method, size and thickness. The insert’s cylindrical hole and standard plate dimensions make it straightforward to pair with common SNMG external holders or boring bars. This flexibility enables straightforward retrofitting into existing tool inventories without complex requalification, which in turn lowers tooling overhead and simplifies tooling logistics.

Practical geometry and dimensions that support stable machining

Key design details such as the 1.2 mm nose radius, 4.76 mm plate thickness and the 0° relief angle deliver a compromise between edge strength and finishing capability. The modest nose radius provides robust edge support for heavier cuts while still permitting good surface quality in finishing passes. The plate’s thickness and standardised form enhance stiffness at the cutting edge, which supports higher metal removal rates under stable setup conditions.

Contact Metav Werkzeuge for tailored application advice and delivery options for Tungaloy SNMG inserts; our team is available by phone or e‑mail to review machining parameters and holder compatibility.

Technical data

• Article number: 6781256
• Manufacturer SKU: TUN6781256
• SKU: 6781256-Tungaloy
• Designation: SNMG120412 T9225 Tungaloy‑indexable insert

Key measurements

• Nose radius: 1.2 mm
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Insert angle: 90°
• Relief angle: 0°

Materials & special features

• Material: carbide
• Coating: CVD coating
• Grade: T9225 (universal grade for medium to heavy steel)
• Chipbreaker: double‑sided
• Hole: cylindrical hole
• Plate form: square (SNMG)

FAQ

What materials is this insert suitable for?
The SNMG120412 T9225 Tungaloy indexable turning insert is optimised for medium to heavy steel machining and performs well where interrupted cuts or variable engagement demand toughness and wear resistance.

Can the insert be used in existing SNMG holders?
Yes. The SNMG geometry and standard thickness permit compatibility with SNMG external turning holders provided form, relief angle, tolerance and clamping match the holder specifications.

How does the T9225 grade affect machining performance?
The T9225 grade on the SNMG insert offers a balance of wear resistance and toughness, yielding stable chip formation and reliable edge life across varied turning conditions.

Is this insert suitable for finishing and roughing operations?
The insert’s 1.2 mm nose radius and robust plate thickness make it suitable for both moderate finishing and heavier material removal, depending on cutting parameters and machine rigidity.

What are the advantages of the CVD coating on this insert?
The CVD coating reduces crater and flank wear, improves thermal resistance and extends tool life under demanding cutting conditions, particularly in steel turning applications.

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.