CNMA 160612 T5105 Wendeplatten - Tungaloy

Combining CVD-coated carbide durability with an ISO CNMA form and a 1.2 mm corner radius yields a robust solution for high-speed cast iron turning; stable clamping via the cylindrical hole and the standard 6.35 mm plate thickness support consistent repeatability. Order inserts directly via Metav Werkzeuge or consult the technical team for holder matching.

CNMA 160612 T5105 Tungaloy turning insert (ISO CNMA160612) — CVD-coated carbide, R1.2

The CNMA160612 T5105 is an ISO turning insert engineered for stable high-speed machining of cast iron in external and internal turning applications.

• CVD-coated carbide for high wear resistance
• ISO CNMA160612 rhombic insert, 80° geometry
• R1.2 corner radius for finishing and semi-finishing
• Cylindrical central hole for secure clamping

Stable high-speed performance for cast iron

The CVD-bonded grade T5105 is formulated for wear resistance during high cutting speeds, which supports longer tool life under steady machining conditions. The rhombic, 80° geometry provides a predictable cutting angle that reduces vibration in many lathe set-ups, meaning the insert maintains edge integrity for longer when machining cast iron. This results in fewer insert changes per shift and a more continuous production flow, both of which contribute to process reliability and reduced downtime.

Precise fit, secure clamping and repeatability

Compatibility with toolholders depends on form, clearance angle, tolerance class, mounting and the plate’s dimensions; the CNMA format and cylindrical hole enable positive clamping and repeatable positioning. The plate thickness of 6.35 mm and the nominal size 16 provide a stable contact surface, while the 0° relief ensures the intended rake and clearance are preserved when paired with matching holders. These characteristics reduce runout and support consistent surface finish across batches.

Why the material and coating matter

The insert’s carbide substrate with a CVD coating offers a balanced combination of toughness and thermal resistance. CVD layers increase resistance to abrasive and diffusion wear at elevated temperatures typical of high-speed turning, so chip formation remains stable and flank wear is delayed. For operations where repeatable dimensional control and surface quality are required, this coated carbide option enables higher cutting speeds compared with uncoated grades, while preserving dimensional stability on cast-iron components.

Practical application and assembly guidance

With an R1.2 corner radius the insert suits finishing and light semi-finishing passes, delivering a controlled edge for improved surface quality. The absence of a dedicated chipbreaker on this insert means the chip control strategy must be selected according to workpiece geometry and machine rigidity; pairing the insert with an appropriate holder, or a suitable shim/clamp set and replacement screws, completes the system. The recommended system components are the ISO turning insert itself, a compatible external holder or boring bar, and the matching shim/clamp set to ensure secure engagement and repeatable clamping accuracy.

For reliable supply of Tungaloy CNMA 160612 T5105 inserts and application-specific advice, contact Metav Werkzeuge via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6850160
• SKU: 6850160-Tungaloy
• Manufacturer SKU: TUN6850160
• Manufacturer: Tungaloy

Facts

• Corner radius: 1.2 mm
• Included angle: 80°
• Relief angle: 0°
• Plate thickness: 6.35 mm
• Plate size: 16 mm
• ISO designation: 160612

Special features

• Coating / grade: T5105 (CVD-coated)
• Substrate material: carbide
• Geometry: rhombic, 80°
• Hole style: cylindrical hole
• Chipbreaker: none
• Typical application: turning (external and internal)
• System components: ISO insert, holder or boring bar, shim/clamp set and replacement screws

FAQ

What materials is this insert intended for? The CNMA160612 T5105 insert is optimised for machining cast iron; the CVD-coated carbide substrate offers abrasion resistance suited to high-speed turning of such materials.

Which cutting tasks suit an R1.2 corner radius? An R1.2 corner radius is best for finishing and light semi-finishing operations where surface quality and edge strength must be balanced.

How does the cylindrical hole affect clamping? The cylindrical hole provides central, positive clamping that enhances repeatable seating and reduces the likelihood of insert movement in the seat during operation.

Is a chipbreaker included with this insert? This insert is supplied without a chipbreaker; chip control should be achieved via machine parameters, coolant strategy and holder choice or by selecting an insert variant with an appropriate chipbreaker for the application.

What components complete the cutting system? A complete system comprises the ISO turning insert, a matching external holder or boring bar, a shim/clamp set and replacement screws to ensure secure and repeatable assembly.

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.