SNMG 120404 T9235 Wendeplatten - Tungaloy

Take advantage of a robust, CVD‑coated carbide grade for steels and the ISO SNMG geometry to maintain production reliability in unstable turning conditions; the insert’s double‑sided chipbreaker and 0.4 mm corner radius extend edge life and permit safer interrupted cuts. Order directly via Metav Werkzeuge or consult our machining specialists for grade and holder selection.

SNMG120404 T9235 – ISO turning indexable insert for turning, Tungaloy

The SNMG120404 T9235 is an ISO‑standard square indexable insert designed for external and internal turning, optimised for steel machining under lower cutting speeds and unstable or interrupted conditions.

• CVD‑coated carbide grade T9235 for steels
• Square SNMG120404 form with 90° entering angle
• 0.4 mm corner radius for robust edge strength
• Double‑sided chipbreaker for interrupted cuts

Consistent cutting performance where stability is limited

The CVD‑coated carbide composition of the grade T9235 is engineered for turning steel at reduced cutting speeds and in less stable setups. The chemical vapour deposition layer provides a hard, wear‑resistant surface that improves flank wear behaviour while the carbide substrate sustains toughness. In practice, this means a combination of stable chip formation and extended tool life when tool‑holder rigidity or intermittent cuts would otherwise cause rapid wear. The SNMG geometry contributes to predictable engagement with the workpiece, allowing process planners to favour reliability over aggressive cutting parameters.

Seamless integration into ISO tool systems for repeatable setups

As an ISO indexable insert, compatibility is determined by form, clearance angle, tolerance class, fastening method, size and thickness. The SNMG120404 format (square plate, 12 mm inscribed diameter) and the cylindrical centre hole ensure positive locating in matched toolholders and clamping sets. The listed thickness of 4.76 mm and the 90° entering angle give a stable seating that supports repeatable indexability and simple inventory handling. System components typically include the insert, the appropriate external holder or boring bar, a locating shim or clamping kit and replacement screws for fast reassembly.

Practical benefits in everyday turning operations

The double‑sided chipbreaker design enhances chip control for a wide range of steel turning tasks, improving surface finish and reducing rework. The 0.4 mm corner radius balances strength and finish capability: it resists edge chipping during interrupted cuts while still allowing respectable surface quality on lighter passes. Because the insert is indexable and double‑sided, flipping the cutting edges provides economical usage of the full insert life. These attributes make the component especially suited to shops requiring robust performance in mixed‑stability environments.

Guidance for selection and process optimisation

Select the T9235 grade and the double‑sided chipbreaker when machining steels where interrupted cuts or lower cutting speeds are expected. Match the SNMG120404 insert to a holder that fulfils the form, clearance and tolerance requirements to ensure correct seating; improper fit can negate the grade’s advantages. For optimised results, pair the insert with a holder that offers adequate rigidity and confirm the clamping torque and shim use specified by the holder manufacturer. For tailored cutting data or if machining atypical steels, consult technical specialists to refine speed and feed settings.

For reliable turning of steels in unstable or interrupted conditions, contact Metav Werkzeuge to procure the Tungaloy SNMG120404 T9235 insert and obtain expert advice on holder compatibility and cutting‑data optimisation via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6785942
• Manufacturer SKU: TUN6785942
• SKU: 6785942-Tungaloy
• Label: SNMG120404 T9235 Tungaloy‑insert
• Manufacturer article number: 6785942
• Manufacturer: Tungaloy
• Material: carbide
• Grade/coating: CVD‑coated T9235
• Shape: square (SNMG)
• Size: 12 mm inscribed circle
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Entering angle: 90°
• Clearance angle: 0°
• Hole: with cylindrical hole
• Chipbreaker: double‑sided
• Application: turning

Core data

• Thickness: 4.76 mm
• Inscribed diameter: 12 mm
• Corner radius: 0.4 mm
• Entering angle: 90°
• Clearance angle: 0°
• Manufacturer article number: 6785942

Special features

• ISO SNMG120404 form
• CVD‑coated carbide grade T9235
• Double‑sided chipbreaker for interrupted cuts
• Square plate geometry for 90° operations
• Cylindrical centre hole for positive location
• Suited to steel machining at lower cutting speeds
• Compatible with standard holders, shims and clamping kits
• Designed for external and internal turning applications

FAQ

What work materials are suitable for this insert?
The SNMG120404 T9235 insert is formulated for steel machining; the CVD‑coated T9235 grade performs particularly well at lower cutting speeds and in interrupted cutting conditions.

How does the chipbreaker affect machining?
The double‑sided chipbreaker on this Tungaloy insert improves chip control and surface finish during turning operations and is beneficial where intermittent cuts occur.

Is the SNMG120404 compatible with standard toolholders?
The SNMG120404 follows ISO geometry; compatibility depends on matching form, clearance angle, tolerance and fastening method — correct holder choice ensures secure seating and repeatable results.

Can the insert be indexed to use multiple cutting edges?
Yes, the insert is double‑sided and indexable, allowing rotation or flipping to use additional cutting edges and extend productive life.

What does the 0.4 mm corner radius mean for cutting performance?
A 0.4 mm corner radius increases edge strength and resistance to chipping, making it suitable for heavier interrupted cuts while still allowing acceptable surface quality on finishing passes.

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.