SNMG 120408 T9235 Wendeplatten - Tungaloy

Combine the CVD-coated carbide grade T9235 with the 0.8 mm corner radius and secure cylindrical hole for reliable performance in interrupted and unstable turning operations; order the SNMG120408 T9235 Tungaloy insert directly via Metav Werkzeuge or ask our consultants if needed.

SNMG120408 T9235 Tungaloy insert — ISO square turning insert, CVD-coated carbide, 0.8 mm radius

The SNMG120408 T9235 Tungaloy insert is an ISO-standard square insert intended for external and internal turning, offering a 0° relief angle and a double-sided chipbreaker for tougher steel applications.

• SNMG120408 ISO square insert, 12 mm size
• CVD-coated carbide grade T9235 for steel
• 0.8 mm corner radius for robust edge strength
• Double-sided chipbreaker, cylindrical hole

Consistent metal removal through material and coating choice

The combination of CVD-coated carbide and the T9235 grade provides a balance between wear resistance and toughness for machining steel at reduced cutting speeds. The CVD coating increases surface hardness and resistance to abrasion, while the substrate carbide maintains edge stability under intermittent cuts. This results in a predictable tool life and reduced tool changes, improving overall productivity and cost-efficiency in serial turning operations.

Designed for straightforward integration with ISO holders

As an ISO-standard insert, compatibility depends on holder geometry — form, relief, tolerance class, fastening method, size and thickness must match. The square 12 mm size and 4.76 mm thickness align with common external holders and boring bars, while the cylindrical hole ensures positive clamping. Specifying the correct holder and clamping set avoids instability and vibration, preserving surface finish and dimensional accuracy during both external and internal turning.

Edge strength and chip control for less rework

The 0.8 mm corner radius provides increased edge toughness and reduces the risk of chipping in interrupted cuts, making the insert well suited to unstable machining conditions. The double-sided chipbreaker helps to fragment chips and direct them away from the cutting zone, lowering the likelihood of surface damage and easing chip evacuation. Together, these features support more predictable machining cycles and fewer rework passes on demanding components.

Practical application guidance and material selection

The insert is recommended for turning steel where lower cutting speeds and stronger edge resilience are required. For users less familiar with grades and coatings: CVD coating means a thin ceramic layer applied over the carbide to resist wear; T9235 denotes a tough grade optimised for interrupted cutting in steels. For higher-speed or different material demands, consider inserts with alternative grades or geometries; however, for jobs with variable stability and frequent interruptions, this configuration delivers reliable outcomes.

Contact Metav Werkzeuge for supply and technical advice on holder compatibility, or request tailored recommendations for specific turning tasks

Technical data

• Article number: 6785991
• Manufacturer SKU: TUN6785991
• SKU: 6785991-Tungaloy
• Model series: ISO turning inserts
• Material: Carbide

Data

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Insert angle: 90°
• Relief angle: 0°
• Hole: with cylindrical hole

Features

• Grade: T9235 (CVD-coated)
• Double-sided chipbreaker
• Square insert form
• ISO-standard turning insert
• Application: turning; suitable for external and internal turning
• Recommended for steel, interrupted cuts and unstable conditions

FAQ

What types of turning tasks suit this insert best?
The SNMG120408 T9235 insert is designed for external and internal turning of steel, performing particularly well in interrupted cuts and situations with limited stability thanks to its tough T9235 grade and 0.8 mm corner radius.

How does the CVD coating affect tool life?
The CVD-coated carbide surface resists abrasive wear and reduces flank and crater wear, so the insert maintains cutting performance longer in abrasive steel applications compared with uncoated grades.

Which holders are compatible with the SNMG120408 geometry?
Compatibility depends on holder form, relief, tolerance class, fastening and the 12 mm size and 4.76 mm thickness; use holders that accept ISO SNMG inserts with a cylindrical hole for secure clamping.

Can this insert be used for finishing operations?
While capable of producing acceptable surface quality, the SNMG120408 T9235 is optimised for robustness in interrupted and less stable cutting; for superfine finishing, a smaller corner radius or a different grade may be preferable.

Is the insert reversible or single-use per edge?
The square, double-sided design provides multiple cutting edges; the insert can be indexed to present fresh edges until wear requires replacement.

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.