SNMG 120408 T9215 Wendeplatten - Tungaloy

Take advantage of the combination of high wear resistance, stable chip control and a compact square geometry for reliable, productive turning operations; order the insert directly via Metav Werkzeuge or consult the team for application advice.

SNMG 120408 T9215 SNMG Turning Insert, CVD-coated Carbide — Tungaloy

SNMG120408 T9215 is an ISO-indexable insert optimised for external and internal turning of medium steels, offering a square form with a 90° geometry and a cylindrical hole for secure clamping

• CVD-coated carbide grade T9215 for steel machining
• Square SNMG insert with 0.8 mm corner radius
• Double-sided chipbreaker for continuous to light interruptions

Proven productivity for medium-steel turning

The CVD-coated carbide composition and T9215 grade make this insert particularly effective for medium-steel applications where a balance of wear resistance and fracture toughness is required. The geometry and coating together enable higher cutting speeds and a longer tool life compared with uncoated grades, which translates into fewer tool changes and improved machine uptime. The combination of coating and substrate is geared towards workshops seeking repeatable, economical results in both continuous and lightly interrupted turning cycles.

Secure clamping and consistent cutting performance

With its square form and 90° geometry, the insert delivers stable contact with the toolholder and predictable cutting forces, while the cylindrical hole supports reliable fastening. The modest 0.8 mm corner radius reduces edge stress for finishing passes yet still permits modest step-over for semi-finish work. The double-sided chipbreaker assists chip control across a range of depths of cut; the design helps to break chips efficiently during steady cuts and to limit vibration during slight interruptions, improving surface finish and extending insert life.

Practical overview of benefits and recommended use

Designed as part of an ISO insert system, the component integrates into a standard holder, backing plate and clamping set; compatibility depends on form, clearance angle, tolerance class, fastening method, size and thickness. The insert is intended for turning (external and internal); select the matching chipbreaker and T9215 grade to suit the specific material and stability of the set-up. For manufacturers and job shops focused on throughput, the insert offers a clear combination of process security and cost-effectiveness due to reduced downtime and stable wear behaviour.

Contact Metav Werkzeuge for technical guidance and procurement of the Tungaloy SNMG120408 T9215 turning insert; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6775274
• Manufacturer SKU: TUN6775274
• SKU: 6775274-Tungaloy
• Model series: ISO turning indexable inserts
• Material: carbide

Facts

• ISO designation: SNMG120408
• Grade: T9215
• Corner radius: 0.8 mm
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Clearance angle: 0°
• Geometry angle: 90°
• Hole: with cylindrical hole
• Chipbreaker: double-sided

Special features

• Square plate form
• CVD-coated carbide substrate
• Designed for external and internal turning
• Suitable for continuous to light interrupted cuts
• Compatibility depends on holder form, clearance, tolerance and fastening

FAQ

What materials is this insert suitable for?
The Tungaloy SNMG120408 T9215 turning insert is intended primarily for medium steels; the T9215 grade combines wear resistance and toughness for productive machining.

Which holder types are compatible with this SNMG insert?
Compatibility is determined by the holder’s form, clearance angle, tolerance class, fastening method, size and thickness; the SNMG120408 fits standard SNMG-compatible external and internal turning holders.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm corner radius offers a compromise between strength and finish: it reduces edge chipping risk while allowing modest step-over for semi-finishing, improving process reliability.

Is the chipbreaker suitable for interrupted cuts?
The double-sided chipbreaker is optimised for continuous cutting and light interruptions; heavy interruptions may require a different chipbreaker geometry or a more robust grade.

What is the significance of the CVD coating on this insert?
The CVD coating enhances wear resistance and thermal stability, helping the Tungaloy SNMG120408 T9215 insert maintain edge integrity at elevated cutting speeds and extending tool life.

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.