SNMG 120408 AH8005 Wendeplatten - Tungaloy

Combining the AH8005 PVD coating with a robust 0.8 mm corner radius yields a wear-resistant insert engineered for stable turning of heat‑resistant alloys and hard materials; order the SNMG120408 AH8005 Tungaloy insert directly via Metav Werkzeuge or consult our specialists for application support.

SNMG 120408 AH8005 – Turning Insert, Tungaloy

The SNMG120408 AH8005 is an ISO‑standard square turning insert designed for external and internal turning in stable machining environments.

SNMG120408 AH8005 PVD-coated carbide insert
0.8 mm corner radius for robust cutting edge
Double-sided chipbreaker for consistent chip control
Square 12 mm size with cylindrical mounting hole

Reliable performance for demanding turning operations

The combination of a PVD-coated surface and a carbide substrate provides a clear advantage in abrasive or high‑temperature cutting tasks. The AH8005 grade is formulated for wear resistance when machining heat‑resistant alloys and hard materials, which translates into longer tool life and fewer indexings in stable setups. Selecting this insert reduces unplanned interruptions and supports a predictable production rhythm, especially where consistent edge life is critical.

Compatibility and mounting explained for quick integration

This insert conforms to ISO geometry and should be matched to an appropriate external holder or boring bar. Compatibility depends on insert form, clearance angle, tolerance class, mounting arrangement, overall size (12 mm) and thickness (4.76 mm). The insert features a cylindrical hole for secure fastening and a square indexable form that offers multiple usable cutting edges. These attributes make it straightforward to replace worn tips and maintain repeatable clamping, provided the holder accepts SNMG‑format inserts.

Effective chip control and improved surface quality

A double‑sided chipbreaker ensures controlled chip formation across both indexed cutting edges, enhancing process stability and facilitating reliable evacuation. The 0.8 mm corner radius balances edge strength with surface finish, offering improved resistance to chipping while maintaining a smooth workpiece appearance. Together with the PVD surface treatment, the insert helps to reduce built‑up edge and thermal wear, which supports consistent part tolerances and reduces rework.

Recommended applications and selection guidance

Designed primarily for turning, the insert is especially suited to external and internal operations under rigid, stable setups. The grade and chipbreaker combination is ideal for work on heat‑resistant alloys and other hard-to-machine materials; for optimal results, match the AH8005 grade and chipbreaker style to the specific alloy and stability conditions. If material properties or fixture rigidity are uncertain, technical advice can help select the correct chipbreaker and cutting parameters to maximise productivity.

For high‑performance turning with Tungaloy AH8005 inserts, contact Metav Werkzeuge for availability and tailored application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6741671-Tungaloy
• Manufacturer article number: 6741671
• Manufacturer SKU: TUN6741671
• Manufacturer: Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Designation: SNMG120408 AH8005

Facts

• Corner radius: 0.8 mm
• Insert size: 12 mm
• Thickness: 4.76 mm
• Clearance angle: 0°
• Cutting‑edge angle: 90°

Special features

• Coating / grade: AH8005, PVD-coated carbide
• Material: Hartmetall (carbide)
• Chipbreaker: double-sided
• Mounting hole: with cylindrical hole
• Insert shape: square
• Application: Drehen (turning)
• Typical system build: ISO turning insert with matching external holder or boring bar; backing pad, clamping set and replacement screw
• Compatibility determined by form, clearance angle, tolerance class, fastening, size and thickness

FAQ

What materials is this insert best suited for?
The SNMG120408 AH8005 insert from Tungaloy is formulated for heat‑resistant alloys and hard materials, providing wear resistance under stable machining conditions.

Can this insert be used for both external and internal turning?
Yes, the insert is designed for external and internal turning operations when matched with a suitable holder and machining parameters.

How does the AH8005 grade affect tool life?
The AH8005 PVD grade is optimised for abrasion resistance at elevated temperatures, which typically extends edge life compared with uncoated grades when machining hard or heat‑resistant materials.

What does the 0.8 mm corner radius mean for surface finish?
A 0.8 mm corner radius offers a compromise between edge strength and surface quality: it improves resistance to chipping while still enabling a fine finish on the workpiece under appropriate cutting conditions.

Is the insert reversible and indexable?
The square SNMG geometry with a double‑sided chipbreaker provides multiple indexable cutting edges, allowing economical reuse of the insert before replacement.

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.