SNMG 120408 T9215 Wendeplatten - Tungaloy

Reliable, hard-wearing performance is achieved by the combination of CVD-coated carbide T9215 and the 0.8 mm corner radius in the ISO SNMG120408 format, delivering productive turning in medium steels; order the SNMG120408 T9215 Tungaloy insert directly via Metav Werkzeuge or ask our consultants if needed

SNMG 120408 T9215 ISO turning insert for medium-steel turning by Tungaloy

A SNMG120408 T9215 ISO turning insert designed for efficient external and internal turning in medium steels and for productive continuous to slightly interrupted cuts

• CVD-coated carbide for high wear resistance
• ISO SNMG120408 square format, 12 mm size
• 0° relief angle and 90° approach angle
• Double-sided insert with cylindrical hole

Durable cutting performance for medium-steel production

The CVD-coated carbide T9215 grade combines high wear resistance with enhanced fracture toughness, which supports consistent tool life under continuous cutting. The coating reduces abrasive wear and preserves the cutting edge, while the substrate material maintains edge stability during interruptions; this delivers measurable gains in uptime and process reliability for series turning of medium steels. The specified 0.8 mm corner radius balances edge strength and surface finish, making the insert suitable for both heavier cuts and finish passes without frequent index changes.

Clear compatibility and secure clamping for reliable mounting

Compatibility with the toolholder is governed by form, relief angle, tolerance class, fastening, size and thickness — the SNMG geometry follows ISO standards to simplify holder selection. The cylindrical hole provides stable seating and positive clamp engagement in compatible external holders or boring bars, while the square 12 mm format and 4.76 mm thickness define the mechanical interface. The double-sided design allows indexing for a second cutting edge, reducing tooling cost per edge. Precise matching of holder and insert ensures repeatable chip load, stable chip formation and predictable cutting forces.

Optimise process productivity and chip control

Selecting an appropriate chipbreaker and cutting data suited to the grade and workpiece stabilises swarf behaviour and surface quality. For medium steel turning, the T9215 grade is engineered to perform well at elevated productivity levels and in slightly interrupted cuts, offering stable chip formation and dependable performance across shifts. The ISO SNMG120408 format integrates into standard turning systems — combine the insert with a matched external holder or boring bar, fitting shim/clamp sets and replacement screws as required — to create a productive, serviceable tooling system that supports consistent part quality.

For technical consultation, grade selection or to request genuine Tungaloy SNMG120408 inserts, contact Metav Werkzeuge for application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6772288
• Manufacturer SKU: TUN6772288
• SKU: 6772288-Tungaloy
• Designation: SNMG120408 T9215
• Shape: square

Facts

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

Special features

• Material: carbide
• Coating: CVD
• Grade: T9215
• Application: turning (external and internal)
• Chipbreaker: double-sided
• System components: insert, external holder or boring bar, shim/clamp set, replacement screws

FAQ

What workpiece materials is this insert suited for?
The SNMG120408 T9215 Tungaloy insert is optimised for medium-steel machining and performs reliably in continuous to slightly interrupted turning operations.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm radius increases edge strength and improves stability during heavier cuts, while still allowing acceptable surface finish for many finishing operations with the SNMG geometry.

Is the insert indexable and cost-effective?
Yes, the SNMG120408 is double-sided and indexable; the design permits use of multiple cutting edges, lowering cost per effective edge and extending time between insert changes.

What does the cylindrical hole mean for clamping?
The cylindrical hole provides positive mechanical location and secure clamping in compatible holders, reducing the risk of movement under cutting forces and improving repeatability.

Can this insert be used for internal turning?
Yes, the insert’s ISO SNMG120408 geometry and grade make it suitable for both external and internal turning when paired with the correct boring bar or internal holder

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.