SNMG 120412 T9225 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD-coated carbide composition, a universal T9225 grade and ISO compatibility for reliable medium-to-heavy steel turning; order directly via Metav Werkzeuge or consult the technical team for application-specific advice.

SNMG120412 T9225 indexable turning insert by Tungaloy — robust CVD-coated carbide for turning

SNMG120412 T9225 is a CVD-coated carbide indexable insert designed for medium to heavy turning tasks in steel, offering reliable edge life and versatile chip control in variable cutting conditions

• CVD-coated carbide grade T9225
• ISO SNMG120412 square insert, 4.76 mm thick
• Double-sided chipbreaker, cylindrical hole
• 1.2 mm corner radius, 0° relief angle

Consistent cutting performance where conditions change

The CVD-coated carbide substrate in this insert provides a hard, wear-resistant surface while retaining a degree of toughness that suits interrupted cuts and changing engagement. The T9225 grade is specified as a robust universal grade for medium-to-heavy steel turning; this combination yields longer tool life and stable cutting when workpiece rigidity varies. CVD (chemical vapour deposition) creates a thin, bonded coating that reduces flank wear and improves thermal resistance, which in turn maintains dimensional accuracy over longer production runs.

Secure fit and straightforward system integration

Being an ISO SNMG120412 insert, the component integrates into standard external holders and boring bars that accept SNMG geometries. Compatibility depends on holder form, clearance, tolerance class, clamping method, size and thickness; the ISO standard simplifies spare-part selection and reduces setup time across multiple machines. The insert’s cylindrical hole and square outline allow reliable clamping and straightforward indexing, supporting efficient changeover and reduced machine downtime.

Improved chip control and surface finish

The double-sided chipbreaker is tuned for removing material consistently in turning operations, guiding chips away from the cutting zone to reduce re-cutting and built-up edge. Better chip evacuation leads to more repeatable surface quality and fewer interruptions for chip clearing. The 1.2 mm corner radius contributes to edge strength and optimised transition radii on external profiles, enhancing both component integrity and finish on typical steel grades.

Practical recommendations for turning applications

For best results in turning steel, pair the insert’s 0° relief angle and 4.76 mm thickness with a holder that minimises overhang and maximises rigidity. Select feeds and depths according to workpiece stability and the chosen chipbreaker variant; tougher settings are advisable for interrupted cuts. The Tungaloy grade balance of hardness and toughness makes this insert suitable for shops seeking a single, reliable option across a range of turning tasks rather than multiple specialised grades.

Contact Metav Werkzeuge today for a recommendation on the Tungaloy SNMG120412 T9225 insert and to arrange tailored machining advice via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6780746
• Manufacturer SKU: TUN6780746
• SKU: 6780746-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Material: carbide
• Application: turning

Core data

• Designation: SNMG120412
• Thickness: 4.76 mm
• Insert size: 12 mm
• Corner radius: 1.2 mm
• Relief angle: 0°
• Shape: square
• Included hole: with hole (cylindrical)
• Included angle: 90°

Design and features

• Grade: T9225, CVD-coated carbide
• Chipbreaker: double-sided
• Mounting: cylindrical-hole clamping
• Standard: ISO-compliant indexable insert
• Typical use: medium-to-heavy steel turning

FAQ

What materials is this insert suited for?
The SNMG120412 T9225 insert is intended primarily for steel machining; the T9225 grade is described as a robust universal option for medium-to-heavy steel turning, offering a balance of wear resistance and toughness.

How does the CVD coating affect tool life?
The CVD-coated carbide surface on the SNMG120412 T9225 provides improved wear resistance and thermal stability, which helps maintain cutting-edge integrity and extends usable life compared with uncoated grades.

Is this insert reversible or single-use per edge?
The insert is double-sided with a double-sided chipbreaker, allowing multiple index positions; the design supports economical use of both cutting edges before replacement.

Which holders are compatible with SNMG120412 inserts?
Compatibility follows ISO SNMG conventions; holders and boring bars matching SNMG form, size and clamping type will accept this insert. Confirm holder clearance, tolerance class and clamping method for guaranteed fit.

Does the 1.2 mm corner radius suit fine finishing?
A 1.2 mm corner radius offers a compromise between edge strength and surface finish, suitable for many finishing and general turning passes on steel when combined with appropriate feed and speed settings.

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.