TNMG 220404 GH330 Wendeplatten - Tungaloy

The combination of ISO‑standard geometry, a GH330 Tungaloy carbide grade and a precise 0.4 mm nose radius delivers consistent tool life and predictable surface quality in turning operations; order the insert directly via Metav Werkzeuge or request application advice from the consultants.

TNMG220404 GH330 — Indexable turning insert, 60° triangular, Tungaloy

The TNMG220404 GH330 is an ISO‑standard triangular carbide insert designed for external and internal turning where wear resistance and cutting‑edge stability are required.

• ISO‑standard TNMG geometry for universal holders
• GH330 carbide grade for wear resistance
• 0.4 mm nose radius for precise finishing
• Double‑sided chipbreaker with central hole

Consistent performance through standard geometry and measured tolerances

The ISO‑compliant geometry ensures reliable seating and repeatable results in modern clamping systems. As an ISO‑standard insert with the designation 220404, the component fits holders that match form, tolerance class, fastening and thickness, reducing changeover time and setup variance. The triangular outline and 60° included angle provide stable engagement for both external and internal turning, while the central cylindrical hole facilitates secure fastening. This predictability supports higher first‑pass yields and fewer corrective operations.

Material engineering for extended tool life and process stability

Manufactured in cemented carbide of the GH330 grade by Tungaloy, the insert balances hardness and toughness to resist abrasive wear while maintaining edge integrity under interrupted cuts. The chosen grade extends tool life in a wide range of steels and alloys and lowers tooling costs per part through reduced indexing frequency. Where consistent surface finish and repeatable tool change intervals are essential, the GH330 composition provides an economical compromise between durability and edge stability.

Geometry and chip control that improve machining reliability

The 0.4 mm nose radius is sized for fine finishing without sacrificing strength at the cutting edge; this supports tighter dimensional control and improved surface quality on parts requiring close tolerances. The double‑sided chipbreaker aids predictable chip formation across a range of feeds and depths of cut, limiting chatter and evacuation problems. Together, these geometric features reduce the incidence of rework and allow stable machining strategies with conventional and higher cutting speeds.

System considerations and best‑practice applications

The insert thickness of 4.76 mm and triangular shape make it suitable for a broad selection of ISO TNMG holders; compatibility is determined by form, relief angle, tolerance class, fastening method, size and thickness. The insert is designed for turning applications and integrates into machining systems that prioritise repeatability and efficient indexability. For new setups or material mixes, process trials and cutting‑data adjustments are recommended to exploit the GH330 grade’s full potential while safeguarding component quality.

Contact Metav Werkzeuge for tailored cutting data, application recommendations and to order the TNMG220404 GH330 Tungaloy indexable insert directly through the technical sales team.

Technical data

• Article number: 6808577
• Manufacturer SKU: TUN6808577
• Metav SKU: 6808577-Tungaloy
• Model series: ISO turning indexable inserts

Facts

• ISO designation: 220404
• Corner radius: 0.4 mm
• Thickness: 4.76 mm
• Included angle: 60°
• Insert size: 22

Special features

• Cemented carbide, grade GH330 (Tungaloy)
• Triangular insert, with cylindrical hole
• Double‑sided chipbreaker
• Relief angle: 0°
• Intended application: Turning (external and internal)
• Compatibility determined by form, relief angle, tolerance, fastening, size and thickness

FAQ

What materials are suitable for machining with this insert?
The TNMG220404 GH330 insert is designed to machine a broad range of steels and alloyed materials; the GH330 grade provides a balance of wear resistance and toughness for general turning tasks.

Is the insert indexable on both sides?
Yes, the insert features a double‑sided chipbreaker, allowing indexability on both cutting faces to maximise usable edges before replacement.

How does the 0.4 mm nose radius affect surface finish?
A 0.4 mm radius improves surface finish and dimensional control in finishing passes while maintaining sufficient edge strength for most turning operations.

What must be checked to ensure holder compatibility?
Holder compatibility depends on matching the TNMG form, relief angle, tolerance class, fastening method, size and thickness; verify these parameters against the holder specifications prior to installation.

Which designation should be quoted when ordering or requesting data?
Please reference the designation TNMG220404 GH330 and the article number 6808577 (Manufacturer SKU: TUN6808577) when requesting cutting data or placing an order.

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.