SNMG 120412 AH8015 Wendeplatten - Tungaloy

Take advantage of the PVD-coated AH8015 grade and 1.2 mm corner radius for a balance of wear resistance and cutting-edge stability in turning operations; order genuine Tungaloy parts directly via Metav Werkzeuge or consult our specialists for tailored machining advice.

SNMG120412 AH8015 SNMG 120412 AH8015 turning insert by Tungaloy — PVD-coated carbide, 90° square geometry

SNMG120412 AH8015 is an ISO‑standard, square, indexable insert designed for external and internal turning of heat‑resistant alloys, offering a balanced mix of wear resistance and edge stability

• PVD-coated carbide AH8015 for heat-resistant alloys
• 1.2 mm corner radius for robust cutting edge
• ISO-standard SNMG120412 geometry; 90° insert
• Double-sided chipbreaker; cylindrical hole for secure clamping

Consistent performance on heat‑resistant alloys for longer productive runs

The PVD-coated AH8015 grade combines a hard coating with a cemented carbide substrate to deliver stable cutting behaviour when machining temperature‑resistant alloys. This arrangement reduces flank wear and helps maintain a consistent surface finish over longer tool life. For production environments, the result is fewer tool changes and improved process stability, which translates into lower unit cost and predictable cycle times. The coating also assists in resisting adhesion of workpiece material, supporting reliable chip evacuation under elevated cutting temperatures.

Secure clamping and ISO compatibility to simplify tool selection

ISO standardisation of the insert geometry means compatibility is governed by form, relief angle, tolerance class, fastening method, size and thickness. The 90° square shape and a cylindrical hole provide firm seating in most external holders and boring bars, while the specified thickness ensures correct contact with the clamping set. When integrating into an existing tool system, check holder match by form and tolerance rather than only by nominal size; correct pairing avoids chatter and preserves cutting‑edge life. The double‑sided chipbreaker permits flipping the insert, effectively doubling available cutting edges and improving uptime.

Productivity gains from geometry and edge preparation

The 1.2 mm corner radius offers a compromise between edge strength and the ability to produce accurate profiles: larger radii improve edge stability on interrupted cuts, while the chosen radius still permits good contour fidelity. Combined with the twin‑sided chip control, this geometry supports a range of machining conditions from finishing to medium roughing. Process engineers can exploit the insert’s balance of wear resistance and edge stability to optimise feed and speed for specific alloy grades, reducing cycle time without sacrificing component quality.

Practical application notes and choice guidance

This insert is optimised for turning of heat‑resistant alloys; select the chipbreaker and grade to match the workpiece material and the rigidity of the setup. For external turning use a suitable square indexable holder matched to SNMG120412 form; for internal turning choose a compatible boring bar that accepts square inserts and ensures proper clamping pressure. The system typically comprises the ISO insert, a matching external holder or boring bar, a support plate or clamp set, and replacement screws. Routine checks of seat condition and correct torque on the fastening screw help sustain repeatable performance and safety in production.

For reliable, application‑matched tooling, contact Metav Werkzeuge to obtain genuine Tungaloy SNMG120412 AH8015 inserts and to request machining recommendations — email info@metav-werkzeuge.com or call +49 2822 7131930 for expert advice and quick supply.

Technical data

• Article number: 6947287

• SKU: 6947287-Tungaloy

• Manufacturer SKU: TUN6947287

• Model series: ISO-turning indexable inserts

• Material: cemented carbide

• Coating: PVD

• Grade: AH8015

• Geometry: SNMG120412

• Corner radius: 1.2 mm

• Included angle: 90°

• Thickness: 4.76 mm

• Size: 12 mm

• Hole: with hole

• Hole style: cylindrical hole

• Insert shape: square

• Chipbreaker: double-sided

Facts

• Primary application: turning

• Typical use: external and internal turning

• Suitability: heat-resistant alloys

• System components: insert, holder/boring bar, support plate/clamp set, screws

Special features

• Balanced wear resistance and edge stability

• PVD coating for adhesion resistance at elevated temperatures

• ISO standard geometry for broad holder compatibility

• Reversible, double-sided design to extend cutting life

FAQ

What materials is this insert designed for?
The SNMG120412 AH8015 insert is optimised for turning heat‑resistant alloys, offering a balance of wear resistance and edge stability suited to elevated cutting temperatures.

How does the 1.2 mm corner radius affect machining?
A 1.2 mm corner radius provides increased edge strength for interrupted cuts and improved tool life while still enabling accurate profile generation in turning operations.

Is the insert reversible and how many cutting edges are available?
The insert features a double-sided chipbreaker, allowing reversal to use additional cutting edges and thereby extending the effective service life per insert.

Which holders are compatible with this ISO insert?
Compatibility depends on matching the ISO form, relief angle, tolerance class, fastening method, size and thickness; the SNMG120412 geometry and cylindrical hole are widely supported by standard square insert holders and boring bars.

Can this insert be used for finishing as well as roughing?
Yes — by selecting appropriate feeds and speeds and using the double‑sided chipbreaker, the SNMG120412 AH8015 can be applied across finishing to medium roughing tasks on heat‑resistant alloys.

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.