SNMG 120412 AH8015 Wendeplatten - Tungaloy

Benefit from the balanced wear resistance and edge stability of the PVD-coated AH8015 grade combined with a 1.2 mm corner radius for reliable surface finish; available in the ISO SNMG120412 format for straightforward integration into standard turning systems. Order the SNMG120412 insert directly via Metav Werkzeuge or request consultant assistance if needed.

SNMG120412 AH8015 Tungaloy turning insert (PVD-coated carbide, 1.2 mm radius)

The SNMG120412 AH8015 is an ISO-standard turning insert engineered for general turning applications, particularly effective on heat‑resistant alloys and demanding production environments

• PVD-coated carbide AH8015 for heat-resistant alloys
• Double-sided chipbreaker for economical use
• Square form, 12 mm plate size for stable positioning
• 1.2 mm corner radius for consistent surface finish

High-performance grade for demanding alloys

The PVD-coated AH8015 grade is formulated to offer a balanced combination of wear resistance and edge stability, making it a reliable choice for machining heat‑resistant alloys. The PVD coating enhances surface hardness and reduces flank wear at elevated temperatures, while the carbide substrate maintains mechanical strength under high cutting loads. This combination results in longer tool life compared with uncoated grades and helps to maintain dimensional accuracy during extended production runs. The result is predictable tool change intervals and fewer interruptions to the machining cycle.

ISO compatibility and secure system integration

Marked as ISO SNMG120412, the insert conforms to standard geometries that determine compatibility with external holders by shape, clearance angle and tolerance class. The square plate format and the cylindrical hole ensure positive seating in many common clamping systems; matching the insert to the correct holder and clamp set prevents movement and vibration. The 0° clearance specification and the 90° included angle provide predictable chip flow and tool engagement geometry. The system concept typically comprises the ISO insert, a compatible external holder or boring bar, a backing/clamp set and spare fixing screws for fast replacement.

Practical machining advantages and chip control

Equipped with a double-sided chipbreaker, the insert offers economical indexing and two usable cutting edges per side, which reduces tooling costs per component. The combination of the 1.2 mm corner radius and the chip control geometry supports stable cutting when turning outside or inside diameters, giving consistent surface finish and predictable cutting forces. For roughing where higher material removal is required, pairing this grade with a robust holder and optimised cutting parameters increases productivity; for finishing, selecting lower feeds with the same insert improves surface quality without changing tooling.

Handling, economy and process reliability

As an indexable component, the insert simplifies inventory management and reduces downtime: worn edges are indexed or replaced rather than regrinded, which supports continuous production. The carbide body and PVD layer contribute to repeatable performance across batches, lowering scrap rates and improving cost per part. Compatibility notes such as plate thickness (4.76 mm), plate size (12 mm) and cylindrical hole style should be checked against the chosen clamping system before ordering to ensure immediate readiness for use. Where machining stability is limited, selecting a matching chipbreaker and adapting cutting data will maximise the benefit of this insert.

For precision machining with Tungaloy's AH8015 grade, contact Metav Werkzeuge for compatibility checks and procurement assistance — info@metav-werkzeuge.com or call +49 2822 7131930.

Technical data

• Article number: 6741674
• SKU: 6741674-Tungaloy
• Manufacturer SKU: TUN6741674
• ISO designation: SNMG120412
• Grade: AH8015
• Material: carbide
• Coating: PVD

Dimensions / Core data

• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Included angle: 90°

Materials & features

• Square plate form
• Cylindrical hole (with hole)
• Double-sided chipbreaker
• PVD-coated carbide grade AH8015
• Suitable for turning (outside and inside)
• System: ISO insert, matching holder/boring bar, backing/clamp set and spare screws

FAQ

What materials is this insert designed for?
The SNMG120412 AH8015 insert from Tungaloy is intended primarily for heat‑resistant alloys, offering a balance of wear resistance and edge stability suitable for demanding materials.

Is the insert indexable and economical for series production?
Yes, the SNMG120412 is double‑sided and indexable, which enables multiple cutting edges per insert and lowers tooling cost per part in series production.

How does the PVD coating benefit machining performance?
The PVD coating on the AH8015 grade increases surface hardness and reduces flank wear at high temperatures, improving tool life and maintaining dimensional accuracy during longer cycles.

Which holder features are required for secure clamping?
Secure clamping requires a compatible external holder that matches the square form, plate size (12 mm), thickness (4.76 mm) and the cylindrical hole style of the insert; correct seating prevents vibration and ensures repeatable results.

What is the manufacturer article number and SKU for ordering?
The manufacturer article number is 6741674 and the SKU is 6741674-Tungaloy for the SNMG120412 AH8015 turning insert.

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.