SNMG 190612 AH120 Wendeplatten - Tungaloy

Take advantage of the PVD-coated AH120 carbide for reliable wear resistance and a consistently sharp cutting edge, combined with the ISO SNMG190612 format for straightforward integration into ISO-compatible turning systems; order via Metav Werkzeuge or consult the technical advisors for suitability and availability.

SNMG 190612 AH120 Tungaloy — Turning insert, PVD-coated carbide

The SNMG190612 is an ISO-standard turning insert for external and internal turning, engineered to deliver process security and a durable, sharp cutting edge in general turning applications.

• PVD-coated AH120 carbide grade
• ISO SNMG190612 square format
• Double-sided insert with cylindrical hole
• 1.2 mm corner radius and 0° relief angle

Industrial wear resistance with AH120 PVD coating

The AH120 grade combines a PVD surface layer with a carbide substrate to provide enhanced wear resistance and improved resistance to chipping under intermittent cutting conditions. The coating reduces flank wear and helps maintain a sharp cutting edge over longer cycles, which translates into more consistent part dimensions and surface quality. For production environments where repeatability and reduced tool changes are priorities, this type of coating supports longer uninterrupted runs and predictable tool-life behaviour.

ISO compatibility for quick, reliable tool changes

Manufactured to the ISO SNMG190612 specification, the insert is designed for compatibility with ISO holders when form, relief angle, tolerance class, fastening, size and thickness match. The standardised footprint and the 6.35 mm plate thickness simplify insert replacement and inventory management across machine tools. A complete working system typically comprises the ISO insert, a matching external holder or boring bar, a shim or clamp set and replacement screws—this modular approach reduces setup time and lowers the risk of assembly errors that can compromise process security.

Geometry tuned for stable cutting performance

A 1.2 mm corner radius reinforces the cutting edge to withstand higher radial loads while still permitting good surface finish on interrupted and continuous cuts. The square plate with a 90° included angle and double-sided configuration provides two usable edges per side and a cost-efficient edge economy. The cylindrical hole enables secure clamping and precise seating in the pocket. The specified 0° relief angle aids in predictable contact geometry between insert and workpiece for many turning strategies, balancing edge strength and accessibility for internal and external operations.

Selecting the right chipbreaker and application fit

Chipbreaker choice and the matching grade should be selected according to workpiece material, machining type and setup stability; the AH120 grade is particularly suitable where a sharp edge and process security are both required. Typical system assembly and considerations include ensuring correct holder geometry and clamping torque, matching the chipbreaker to feed and depth of cut, and monitoring wear across repeated cycles. For workshop planners seeking a versatile turning solution, the insert offers a robust baseline that can be adapted through holder selection and cutting parameters.

For reliable, PVD-coated turning performance from Tungaloy’s AH120 grade, contact Metav Werkzeuge for technical advice and current availability — info@metav-werkzeuge.com | +49 2822 7131930

Technical data

• Article number: 6806891
• Manufacturer article number: 6806891
• SKU: 6806891-Tungaloy
• Manufacturer SKU: TUN6806891
• Model series: ISO-Drehwendeschneidplatten

Numbers / Core technical data

• Corner radius: 1.2 mm
• Plate thickness: 6.35 mm
• Inscribed circle / size: 19 mm
• Relief angle: 0°
• Included angle: 90°

Special features

• Material: carbide
• Coating: PVD
• Grade: AH120 (wear- and chipping-resistant)
• Double-sided chipbreaker
• Cylindrical hole for secure clamping
• Square plate form
• With hole
• Compatible with ISO holders; compatibility determined by form, relief angle, tolerance class, fastening, size and thickness
• Suitable for external and internal turning
• Typical system: ISO insert, holder or boring bar, shim/clamp set and replacement screws

FAQ

What materials is this insert intended for?
The AH120 grade PVD-coated carbide insert is intended for general turning where a sharp cutting edge and process security are required; selection of chipbreaker and parameters should follow the workpiece material and machining strategy.

How does the 1.2 mm corner radius affect cutting?
A 1.2 mm corner radius increases edge strength and improves resistance to chipping while still allowing a good surface finish; it is a compromise between robustness and finishing capability for many turning tasks.

Is the SNMG190612 compatible with standard ISO tool holders?
Yes, the SNMG190612 follows the ISO format, but compatibility depends on matching form, relief angle, tolerance class, fastening method, size and thickness to the holder pocket.

What is the purpose of the cylindrical hole in the insert?
The cylindrical hole provides precise seating and reliable clamping in the pocket, ensuring repeatable positioning and stable cutting conditions during turning operations.

How many cutting edges are usable on this insert?
The square, double-sided design provides multiple usable edges; the double-sided chipbreaker allows rotation to fresh edges, improving edge economy and reducing tooling costs.

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.