SNMG 190612 AH120 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated carbide AH120 for extended edge life, the double-sided chipbreaker for consistent chip control and the ISO‑standard form for simple holder interchangeability; order the insert directly via Metav Werkzeuge or contact our consultants for application advice.

SNMG 190612 AH120 indexable turning insert — Tungaloy, PVD‑coated carbide, 1.2 mm nose radius

The SNMG190612 AH120 is an ISO‑standard indexable turning insert designed for external and internal turning, providing a wear‑resistant PVD‑coated carbide grade that balances a sharp cutting edge with high process reliability.

• PVD-coated carbide AH120 for wear resistance
• Double-sided chipbreaker for versatile turning
• 1.2 mm corner radius for smooth profiles
• 0° clearance for stable cutting action
• ISO SNMG190612 with central cylindrical hole

Improved cutting performance through PVD-coated carbide

The PVD‑coated AH120 carbide grade delivers a measurable improvement in edge life and wear resistance under interrupted and continuous turning conditions. By combining a hard, thin coating with a robust substrate, the insert reduces flank wear and helps maintain a sharp cutting edge for longer runs. This translates directly into fewer indexings and longer tool cycles, supporting higher uptime and a more predictable production rhythm. The coating also improves resistance to built‑up edge and adhesive wear, contributing to consistent component quality when machining a variety of steels and common workpiece materials.

Reliable chip control and application flexibility

A double-sided chipbreaker provides effective chip control for both finishing and semi‑finishing passes, helping to direct and break chips reliably across different depths of cut. The chipformer geometry is suitable for a range of turning tasks, allowing stable chip evacuation and reduced risk of entanglement. As a result, productivity is increased through fewer interruptions and safer swarf management, while surface integrity is preserved. This geometry suits conventional and light interrupted turning in workshops where process stability and reproducible results are required.

Precision geometry for accurate, repeatable results

Built to ISO dimensions, the insert features the SNMG form with a 19 mm inscribed circle and a plate thickness of 6.35 mm, giving a solid clamping interface and good stiffness in the toolholder. The 1.2 mm corner radius supports smooth profiles and helps avoid premature edge chipping on small radii, while the 0° clearance angle contributes to positive cutting forces and stable contact with the workpiece. The central cylindrical hole assures secure fastening and repeatable seating in compatible holders. These geometric details reduce vibration sensitivity and simplify process parameter setting for reproducible machining.

Practical system benefits and selection guidance

As part of an ISO indexable insert system, the plate works together with the appropriate holder, base, clamping set and replacement screws; compatibility depends on shape, clearance angle, tolerance class, fastening method, size and thickness. Choosing the right chipbreaker and grade for the workpiece material ensures the best compromise between surface finish and tool life. The indexable design supports fast plate changes and economical use of the cutting edges, which lowers tooling cost per component and shortens setup time. For uncertain applications, specify the intended workpiece material and operation type to receive a matched recommendation.

For secure, high‑performance turning with Tungaloy PVD carbide technology, contact Metav Werkzeuge for ordering or consultation at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Manufacturer article number: 6811985
• Manufacturer SKU: TUN6811985
• Dealer SKU: 6811985-Tungaloy
• Model series: ISO indexable turning inserts
• Material: carbide

Core specifications

• ISO designation: SNMG190612
• Size (inscribed circle): 19 mm
• Thickness: 6.35 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Plate form angle: 90°

Special features

• Grade/coating: AH120, PVD‑coated carbide
• Chipbreaker: double‑sided
• Shape: square (quadrilateral)
• Hole: central cylindrical hole (with hole)
• Typical application: external and internal turning
• Compatibility: determined by form, clearance angle, tolerance class, fastening, size and thickness

FAQ

What materials is this insert suited for?
The SNMG190612 AH120 insert is a PVD‑coated carbide grade designed for general turning tasks; the AH120 grade emphasises wear and fracture resistance for common steels and mixed applications.

Can the insert be used for internal turning?
Yes, the ISO SNMG190612 form and double‑sided chipbreaker make the insert suitable for both external and internal turning when paired with an appropriate holder.

How does the 1.2 mm radius affect finishing?
A 1.2 mm corner radius provides a balance between edge strength and finish quality, producing smoother profiles while reducing the risk of edge chipping on small radii.

Is the insert compatible with standard SNMG holders?
The insert follows ISO SNMG dimensions; compatibility with a holder is defined by shape, clearance angle, tolerance class, fastening and thickness, so standard SNMG holders are generally compatible.

How many indexable edges are available on this plate?
Being double‑sided, the plate offers multiple usable edges before replacement, extending usable life and reducing tooling cost per part.

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.