TPMT 16T304 AH6225 Wendeplatten - Tungaloy

Take advantage of the combination of a PVD-coated carbide grade tailored for stainless steels, a compact 0.4 mm corner radius for versatile turning, and ISO conformity for simple tool changeover. Order the TPMT16T304-PM AH6225 inserts through Metav Werkzeuge or consult our advisors for application-specific setup and cutting data.

TPMT16T304 AH6225 ISO triangular indexable insert for turning — Tungaloy

TPMT16T304-PM AH6225 is a triangular ISO indexable insert designed for external and internal turning, offering a sharp yet stable cutting edge for medium-duty machining of stainless steels.

• ISO triangular insert TPMT16T304 format
• PVD-coated carbide AH6225 for stainless steels
• 0.4 mm corner radius for versatile turning
• Cylindrical hole with 40°–60° countersink

Consistent cutting performance on stainless steels

The PVD-coated carbide grade AH6225 combines a fine, wear-resistant coating with a substrate engineered for balanced toughness. This results in a sharp but stable cutting edge that copes with common issues in machining stainless steels, such as work-hardening and built-up edge. The coating improves abrasion resistance and reduces friction, which supports longer tool life and steadier cutting forces. For production environments that require repeatable part quality, the insert’s specification helps to reduce process variation and rework.

ISO conformity and secure clamping for fast tool changes

Supplied as an ISO-standard triangular insert, the TPMT16T304-PM format ensures compatibility with a broad range of external holders and boring bars. Critical geometries — form, relief angle, tolerance class, fixation and thickness — determine holder compatibility; the 11° relief angle and the specific hole style allow reliable clamping and repeatable positioning. The central cylindrical hole with a single-sided countersink (40°–60°) accommodates common clamp systems, simplifying insert replacement and maintenance intervals while preserving concentricity and stability.

Surface quality and process stability from geometry and chip control

A 0.4 mm corner radius gives a pragmatic balance between edge strength and surface finish: small enough to maintain dimensional accuracy and fine surface quality, yet generous enough to resist chipping under interrupted cuts. The PM chipbreaker geometry is matched to the grade and application to promote consistent chip control, reducing risk of chip entanglement and improving operator safety. For medium turning operations, this combination supports higher productivity with fewer tool changes and predictable results.

Practical specifications and system considerations

The insert is triangular with a nominal size 16 and a plate thickness of 3.97 mm, designed to work within a standard ISO turning system comprising insert, suitable external holder or boring bar, and the appropriate clamping set and screws. When replacing turning inserts, verify holder seat dimensions, clearance angles and fixation torque to ensure correct seating and to avoid premature wear. Selection of cutting data should consider material condition, rigidity of the setup and whether finishing or semi-finishing is intended; modest feeds with appropriate speeds help exploit the grade’s balance between sharpness and edge stability.

For robust and repeatable stainless steel turning choose the Tungaloy TPMT16T304-PM AH6225 insert — contact Metav Werkzeuge for tailored cutting data and order support via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6831833
• SKU: 6831833-Tungaloy
• Manufacturer SKU: TUN6831833

Facts

• Size: 16 mm
• Thickness: 3.97 mm
• Corner radius: 0.4 mm
• Relief angle: 11°
• Included angle: 60°
• Hole style: Cylindrical hole + unilateral countersink (40°–60°)

Design and features

• Triangular plate form
• PVD-coated carbide (AH6225)
• Chipbreaker: PM
• ISO designation: TPMT16T304-PM
• Application: Turning (external and internal)
• Compatibility: ISO indexable insert systems

FAQ

What materials is this insert best suited for?
The TPMT16T304-PM AH6225 is optimised for machining stainless steels; the PVD-coated carbide grade balances edge sharpness and wear resistance for reliable performance.

How does the 0.4 mm corner radius affect machining?
A 0.4 mm corner radius provides a compromise between surface finish and edge strength, enabling good dimensional control on medium-turning applications while reducing the likelihood of chipping.

Which holders are compatible with this ISO insert?
Compatibility depends on holder form, relief angle, tolerance class, fixation method and size; the TPMT16T304-PM follows ISO norms and fits standard TPMT-format external holders and boring bars when dimensions match.

What does the PM chipbreaker mean in practice?
The PM chipbreaker is selected for chip control in mixed conditions; combined with the AH6225 grade, it promotes short, controllable chips and steadier cutting for general turning tasks.

Is the insert suitable for interrupted cuts?
Yes — the combination of the substrate and coating gives a stable cutting edge suited to intermittent engagement, provided the setup rigidity and cutting data are adjusted accordingly.

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.