SNMG 120404 AH8015 Wendeplatten - Tungaloy

Benefit from the combination of a PVD-coated cemented carbide grade AH8015 and ISO SNMG geometry for dependable, high-temperature alloy turning; the insert delivers a balance of wear resistance and cutting-edge stability. Order the SNMG120404 AH8015 insert directly via Metav Werkzeuge or ask our consultants if needed.

SNMG 120404 AH8015 indexable turning insert for Turning — Tungaloy

The SNMG120404 AH8015 is an ISO-standard square indexable insert designed for external and internal turning, offering a PVD-coated carbide grade optimised for heat‑resistant alloys.

• SNMG geometry, ISO-compliant
• PVD-coated carbide for heat-resistant alloys
• Double-sided chipbreaker, square form
• 0.4 mm corner radius, 90° cutting angle

Consistent cutting performance from PVD-coated carbide

The PVD-coated cemented carbide composition of this insert gives a reliable combination of wear resistance and edge stability that suits demanding turning operations. The AH8015 grade is described as the first choice for general machining of heat‑resistant alloys, offering a compromise between prolonged tool life and consistent cutting behaviour. PVD coating reduces edge abrasion and helps maintain a sharp profile at elevated temperatures, which results in fewer interruptions for tool changes and a more predictable production rhythm. Explaining the chemistry briefly: the coating forms a hard, thin layer that shields the carbide substrate while retaining sufficient toughness to resist chipping. This makes the insert particularly suited to operations where thermal load and abrasive wear occur together.

Secure mounting and predictable fit for stable cutting

Designed in the ISO SNMG format, the square insert features a 4.76 mm plate thickness, a 12 mm nominal size, a 0.4 mm corner radius, and a 90° cutting angle, plus a cylindrical centre hole for positive clamping. Compatibility with a holder depends on geometry, clearance angle, tolerance class, fastening method, size and thickness; the provided 0° clearance angle and the square form facilitate straightforward seat matching in standard external holders or boring bars. This structural consistency reduces setup time and variance between tool changes. For manufacturers seeking reproducible part quality, the predictable seating and firm clamping translate directly into tighter tolerances and less scrap, particularly when operating across shift changes or on multiple machines.

Practical shop-floor advantages and application guidance

The double-sided chipbreaker design provides effective chip control and two usable edges per index, improving per-insert economy without compromising surface finish. In practice, choose the chipbreaker and grade according to the workpiece material and machining stability: this insert is optimised for turning applications involving heat‑resistant alloys, where a balance between wear resistance and edge robustness is required. Using a suitable holder and the correct feed speeds will exploit the AH8015 grade’s strengths—longer uninterrupted cycles and consistent surface quality. The combination of ISO conformity, a PVD layer and a square geometry supports flexible use across external and internal turning tasks while keeping tooling logistics simple and efficient.

For machining tasks that demand reliable edge stability and wear resistance, choose the Tungaloy SNMG120404 AH8015 insert—contact Metav Werkzeuge for tailored selection advice and prompt supply via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6947281
• Manufacturer article number: 6947281
• SKU: 6947281-Tungaloy
• Manufacturer SKU: TUN6947281
• Model series: ISO-Drehwendeschneidplatten
• Material: cemented carbide
• Grade/coating: AH8015, PVD-coated
• Manufacturer: Tungaloy

Core measurements

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Clearance angle: 0°
• Cutting angle: 90°

Materials and features

• Suitable for: turning (external and internal)
• Geometry: ISO SNMG120404, square
• Hole: cylindrical centre hole
• Chipbreaker: double-sided
• Schneidstofftyp: PVD-coated carbide
• Application focus: heat‑resistant alloys

FAQ

What materials is this insert best suited to machine?
The SNMG120404 AH8015 Tungaloy insert is primarily specified for machining heat‑resistant alloys, with the AH8015 grade offering a balanced combination of wear resistance and cutting-edge stability for such materials.

What are the key dimensions and geometry of the insert?
The SNMG120404 insert has a nominal size of 12 mm, a plate thickness of 4.76 mm, a corner radius of 0.4 mm and a 90° cutting angle; it is square with a cylindrical centre hole and follows ISO SNMG geometry (SKU 6947281-Tungaloy).

Is the insert indexable and suitable for multiple edges?
Yes, the insert is double-sided with an integrated chipbreaker, allowing indexing to maintain economical use of the cutting edges while sustaining chip control and surface finish.

What advantages does the PVD coating provide?
The PVD coating on the AH8015 grade enhances wear resistance and helps preserve the cutting edge at elevated temperatures, improving tool life and consistency in demanding turning operations.

Can this insert be used for internal turning as well as external turning?
Yes, the insert is suitable for both external and internal turning operations; correct holder selection and matching of form, clearance angle and tolerance class determine the final compatibility and performance.

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.