SNMG 120408 T9215 Wendeplatten - Tungaloy

Benefit from the combination of the T9215 CVD‑coated carbide grade and the ISO SNMG120408 geometry for high productivity and reliable wear resistance; the 0° clearance and double‑sided chipbreaker ensure stable cutting and controlled chips. Order directly via Metav Werkzeuge or request specialist consultation for process integration.

SNMG120408 T9215 — Tungaloy CVD‑coated carbide turning insert, 0° clearance

The SNMG120408 T9215 is an ISO‑standard square turning insert designed for external and internal turning, optimised for medium‑steel machining with continuous to lightly interrupted cuts.

• CVD‑coated carbide grade T9215
• ISO SNMG 120408 geometry
• 0° clearance angle for stable cutting
• Double‑sided chipbreaker for chip control
• Cylindrical hole, 4.76 mm plate thickness

Consistent productivity with a wear‑resistant cutting grade

The T9215 grade is a CVD‑coated carbide developed for efficient medium‑steel machining. Its formulation balances wear resistance with fracture toughness, so higher material removal rates can be maintained without premature edge failure. In practice, this means longer tool life under steady production and reduced tool change frequency. The coating improves thermal stability at the cutting edge, which supports higher cutting speeds where machine and process rigidity allow. For manufacturing environments seeking repeatable throughput, this insert offers a predictable compromise between aggressiveness and durability.

ISO compatibility and secure clamping reduce setup risk

The SNMG geometry is ISO‑standardised, so compatibility with external holders and boring bars is determined by form, clearance angle, tolerance class, fastening type, size and thickness. The 0° clearance angle specified here promotes a robust edge contact, useful in less rigid setups or when facing interrupted cuts. Where fixture and holder dimensions follow the ISO guidelines, the insert seats reliably and the risk of incorrect assembly is reduced. Clear identification of geometry and dimensions helps standardise tooling across machines and operators, simplifying inventory and procurement.

Improved chip control and surface reliability

A double‑sided chipbreaker combined with a 0.8 mm corner radius delivers consistent chip formation and contributes to a stable surface finish. The chipbreaker is designed for a balance between small, controllable chips and low cutting forces, which helps prevent entanglement and improves operator safety. The square plate format with a cylindrical hole provides secure fastening and enables two usable edges per side, enhancing economy per insert. For fine surface requirements, the modest corner radius reduces scallop height while maintaining edge strength.

Practical system considerations for workshop efficiency

The insert is part of a system comprising an ISO turning plate, a matching external holder or boring bar, a support/locking kit and replacement screws. Plate thickness of 4.76 mm and plate size of 12 mm should be matched to holders rated for SNMG120408 to ensure correct seating and clamping torque. Select the chipbreaker and grade based on the workpiece material, machine rigidity and cutting mode: choose T9215 for medium steels and when a reliable balance of tool life and productivity is needed. Spare inserts and fastening hardware kept on the shelf reduce machine downtime and support uninterrupted production runs.

Contact Metav Werkzeuge for expert selection of Tungaloy SNMG120408 inserts and matched holders to ensure optimal process integration and fast availability

Technical Data

• Article number: 6773915
• Manufacturer article number: 6773915
• SKU: 6773915-Tungaloy
• Manufacturer SKU: TUN6773915

Core specifications

• Geometry: SNMG 120408
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 0.8 mm
• Clearance angle: 0°

Special features

• Material: carbide
• Grade: T9215 (CVD‑coated carbide)
• Plate form: square
• Hole: cylindrical
• Chipbreaker: double‑sided
• Application: turning (external and internal)
• Model series: ISO turning cutting inserts
• Included angle: 90°

FAQ

What machining tasks is this insert best suited for? This SNMG120408 insert in grade T9215 is optimised for medium‑steel turning tasks, offering a balance of wear resistance and toughness for continuous to light‑interrupted cuts.

How does the T9215 grade affect process parameters? The T9215 CVD‑coated carbide allows higher cutting speeds and improved thermal stability compared with uncoated grades, enabling productive machining while maintaining edge life.

Is the insert compatible with standard SNMG holders? Yes — the SNMG120408 designation conforms to ISO geometry, so compatibility depends on matching form, thickness (4.76 mm), fastening and tolerance class with the holder.

What benefits does the double‑sided chipbreaker provide? The double‑sided chipbreaker supports controlled chip formation and reduced cutting forces, improving surface quality and reducing the likelihood of chip entanglement.

Which corner radius should be chosen for fine surface finish? For improved surface finish with adequate edge strength, the 0.8 mm corner radius supplied with this insert is a practical compromise between surface conformity and durability.

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.