SNMG 120420 T9235 Wendeplatten - Tungaloy

Take advantage of the CVD-coated T9235 carbide for reliable performance in interrupted cuts and unstable conditions, combined with ISO conformity for straightforward holder compatibility; order or request advice directly via Metav Werkzeuge for application support.

SNMG120420 T9235 Tungaloy indexable insert for turning — CVD-coated carbide, 12 mm square

The SNMG120420 T9235 is an ISO-standard square indexable turning insert designed for external and internal turning, optimised for steel and interrupted cutting conditions.

• CVD-coated carbide grade T9235
• Built for unstable and interrupted cuts
• ISO SNMG 120420, square 12 mm, 4.76 mm thick
• Central cylindrical hole for secure mounting

Stable chip formation and predictable tool life in interrupted turning

The CVD-coated T9235 grade is a tough carbide designed for machining steel at reduced cutting speeds and in less stable setups. The CVD coating enhances wear resistance on the cutting edge while maintaining toughness, which promotes stable chip formation and reduces the risk of premature edge failure during interrupted cuts. For production environments where cut conditions vary, this balance between hardness and toughness leads to fewer tool changes and more consistent cycle times. The insert’s double-sided chipbreaker geometry supports effective chip control in both external and internal turning operations, contributing to surface quality and process reliability.

Clear compatibility and mounting for dependable setups

Manufactured to ISO dimensions, the insert’s square 12 mm format, 4.76 mm thickness and 2 mm corner radius make it compatible with a wide range of external holders and boring bars when the holder matches form, clearance angle, tolerance and clamping method. The 0° clearance angle and central cylindrical hole ensure predictable seating and repeatable positioning, which is crucial for maintaining concentricity and tool runout in series production. Selecting the correct holder and clamping set according to these parameters simplifies set-up checks and reduces downtime during tool changes, enabling faster tool qualification and steadier part tolerances.

Efficient system approach and recommended components for productive turning

A productive system comprises the insert, a suitable external holder or boring bar, a backing plate or clamping set and replacement screws. The ISO designation and standardised dimensions enable quick matching to existing toolholders, while the carbide substrate and CVD finish extend edge life under interrupted loading. In practice, this leads to higher uptime and lower tooling consumption per part when compared to uncoated or less tough grades in similar conditions. For workshops seeking a robust solution for challenging steel turning tasks, the combination of a square SNMG insert, proven chip control and standardised mounting yields both process security and economic machining.

For reliable turning under interrupted conditions, specify the Tungaloy SNMG120420 T9235 via Metav Werkzeuge — contact Metav Werkzeuge for tailored holder recommendations and application guidance by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical data

• Article number: 6785948
• SKU (manufacturer): TUN6785948
• Material: Carbide
• Model series: ISO turning indexable inserts
• Manufacturer article number: 6785948

Dimensions & angles

• Insert designation: 120420
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 2 mm
• Clearance angle: 0°
• Shape: square
• Hole: with hole (cylindrical)

Features & application

• Coating: CVD-coated
• Grade: T9235
• Chipbreaker: double-sided
• Typical application: external and internal turning
• Suitable for: steel
• System components: holder, backing plate/clamping set, replacement screws
• Intended use: unstable conditions and interrupted cuts

FAQ

Which materials are recommended for this insert?
The SNMG120420 T9235 indexable insert by Tungaloy is formulated primarily for machining steel and performs well in interrupted and unstable cutting conditions.

How is the insert secured in the toolholder?
The insert uses a central cylindrical hole and standard ISO geometry; the SNMG120420 fits holders that match the form, tolerance class, clamping method, size and thickness.

What benefits does the CVD coating provide?
The CVD-coated carbide substrate on the T9235 grade improves wear resistance while preserving toughness, enhancing stable chip formation and edge life during interrupted cuts.

Is the insert suitable for internal as well as external turning?
Yes; the square ISO format and double-sided chipbreaker make the insert suitable for both external and internal turning when paired with the correct holder or boring bar.

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.