CNMG 120412 AH8015 Wendeplatten - Tungaloy

Take advantage of the combination of balanced wear resistance, secure clamping and ISO compatibility for consistent turning results; order the insert directly via Metav Werkzeuge or consult our team for application support.

CNMG120412 AH8015 indexable insert for turning — Tungaloy, PVD‑coated carbide, 0° relief angle

The CNMG120412 AH8015 is an ISO‑standard indexable insert designed for general turning of heat‑resistant alloys, providing a balance of wear resistance and cutting‑edge stability in a rhombic form with a clamping hole.

• CNMG 120412 geometry, ISO‑standardised
• PVD‑coated carbide grade AH8015
• Balanced wear resistance and edge stability
• Double‑sided chipbreaker and clamping hole

Reliable performance for general turning of heat‑resistant alloys

The rhombic indexable insert with PVD‑coated carbide offers a durable solution for machining elevated‑temperature alloys. The AH8015 grade is formulated to deliver a compromise between wear resistance and edge toughness, reducing flank wear without sacrificing stability. Compatibility with ISO holders is ensured by standardised dimensions and the presence of a cylindrical hole for secure seating; this means predictable clamping behaviour and repeatable results across multiple toolholders. For production environments where consistency is paramount, the insert helps maintain component tolerances and surface finish while extending tool change intervals.

Reduced setup risk and secure clamping for stable cuts

Design features such as the double‑sided chipbreaker, 0° relief angle and cylindrical clamping hole support secure fixation and controlled chip formation. The double‑sided layout effectively doubles usable edges per insert, lowering tooling costs per cutting edge and simplifying inventory management. The standardised geometry minimises the need for bespoke fixtures, so changeover times are reduced and process reliability increases. These technical attributes translate into fewer interruptions on the shopfloor and steadier spindle loads during medium‑duty turning operations.

Precision cutting geometry tuned for finishing and semi‑finishing

A corner radius of 1.2 mm and a plate thickness of 4.76 mm provide a balance between strength at the cutting edge and the ability to produce stable surface quality. The ISO CNMG form supports both external and internal turning when paired with suitable holders, and the geometry is forgiving in slightly variable feed conditions, assisting in consistent part quality. Where surface integrity matters, the insert’s combination of radius and chip control reduces vibrations and helps achieve the desired finish with fewer passes, saving cycle time and rework.

Process efficiency and application guidance

Choosing a PVD‑coated AH8015 grade carbide insert focuses on longevity and versatility for a range of heat‑resistant materials. The insert is particularly suitable where moderate cutting speeds and steady feeds are applied; selecting an appropriate chipbreaker suited to the workpiece material and the intended operation will further improve metal removal rates and surface outcome. For customers seeking to optimise tool life, pairing this insert with robust clamping hardware and verified cutting parameters offers measurable gains in uptime and productivity.

For reliable turning with Tungaloy AH8015 inserts, contact Metav Werkzeuge for tailored recommendations and order facilitation — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6741642-Tungaloy
• Manufacturer: Tungaloy
• Manufacturer SKU: TUN6741642
• Manufacturer article number: 6741642
• Model series: ISO turning indexable inserts
• Designation: CNMG120412 AH8015

Data

• Insert size: 12 mm
• Corner radius: 1.2 mm
• Plate thickness: 4.76 mm
• Relief angle: 0°
• Approach/lead angle: 80°

Special features

• PVD‑coated carbide, grade AH8015
• Rhombic insert form (CNMG)
• Double‑sided chipbreaker
• Cylindrical clamping hole for secure fixation
• Intended application: turning of heat‑resistant alloys
• ISO‑standard dimensions for holder compatibility

FAQ

What materials is this insert suited to?
The insert is optimised for turning heat‑resistant alloys; the AH8015 grade provides a mix of wear resistance and edge stability suitable for such materials.

How does the clamping hole affect performance?
The cylindrical hole enables consistent seating and secure clamping in ISO holders, improving repeatability and reducing the risk of insert movement under cutting forces.

Can this geometry be used for finishing operations?
Yes; the 1.2 mm corner radius and stable edge characteristics of the AH8015 grade make the insert appropriate for finishing and semi‑finishing when paired with suitable feeds and speeds.

How many cutting edges are available per insert?
The rhombic CNMG form with a double‑sided chipbreaker provides multiple usable edges per insert, effectively increasing the number of serviceable cutting edges and lowering tooling costs.

Is this insert compatible with standard ISO toolholders?
The CNMG120412 conforms to ISO dimensions; compatibility is determined by insert form, relief angle, tolerance class, clamping method, size and thickness.

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.