CCMT 120408 AH725 Wendeplatten - Tungaloy

Take advantage of the PVD-coated AH725 grade and ISO conformity for reliable turning performance; its fracture‑resistant carbide and compact geometry support stable, repeatable machining across steel and stainless steels. Order supplies or request application advice via Metav Werkzeuge for a rapid procurement decision or technical consultation.

CCMT120408 AH725 Tungaloy turning insert — ISO rhombic turning insert for external and internal turning

The CCMT120408 AH725 is an ISO‑standard rhombic indexable insert designed for dependable external and internal turning; its universal, fracture‑resistant grade suits mixed batches and applications with high demands on process security.

ISO rhombic insert CCMT 120408 PVD-coated AH725 carbide for process security Suitable for steel and stainless steels 7° relief with cylindrical hole and countersink

Reliable cutting performance for mixed-material production

The combination of a PVD‑coated AH725 cutting grade and a robust carbide substrate delivers a balance of wear resistance and toughness that reduces unexpected tool failure. In production environments where batches contain different steels or where tool sizes are small, this grade offers enhanced process security, meaning fewer interrupted runs and more predictable cycle times. The ISO format ensures straightforward stocking and replacement across standard toolholding systems.

Consistent fit, simple indexing and stable clamping

Compatibility with a chosen holder depends on the insert’s geometry — form, 7° relief, tolerance class, fastening method, size and thickness — and this insert has been specified to match common ISO holders. The rhombic shape and the cylindrical hole with one‑sided countersink (40°–60°) facilitate secure clamping and quick indexing. A plate thickness of 4.76 mm and standard size allow reliable engagement with typical clamping sets, supporting repeatable seating and consistent cutting behaviour across index changes.

Geometry optimised for surface finish and chip control

A 0.8 mm nose radius balances profile accuracy and edge strength, enabling smooth surface finishes without excessive cutting forces. The one‑sided chipbreaker is intended to control swarf formation on common turning operations, directing chips away from the tool and workpiece and lowering the risk of rework. For customers less familiar with insert geometry: a larger nose radius generally improves finish and tool life, while the chipbreaker helps maintain consistent chip shape under varying feeds and depths of cut.

Productivity gains through reliability and broad applicability

As part of the ISO turning insert family, this component supports a system approach — insert, suitable external holder or boring bar, shim/clamp set and replacement screws — to reduce setup time and simplify inventory. The universal, breakage‑resistant character of the AH725 grade leads to longer intervals between tool changes and fewer scrap parts, which together increase overall throughput. For operations seeking steady, long‑term results, the combination of standardised form and a modern PVD coating offers measurable improvements in uptime and reproducibility.

Choose the AH725 Tungaloy grade for improved process security and contact Metav Werkzeuge for ordering and tailored application advice via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6856767
• Manufacturer SKU: TUN6856767
• Designation: CCMT120408 AH725
• Brand: Tungaloy
• Application: Turning

Facts

• Nose radius: 0.8 mm
• Plate thickness: 4.76 mm
• Inscribed circle/size: 12 mm
• Relief angle: 7°
• Wedge angle: 80°

Special features

• PVD‑coated carbide (AH725)
• ISO rhombic plate, CCMT 120408
• One‑sided chipbreaker
• Cylindrical hole with one‑sided countersink (40°–60°)
• Compatible with external and internal turning holders
• System components: insert, holder/boring bar, shim/clamp set and replacement screws
• Universal, fracture‑resistant grade for steel and stainless steels

FAQ

Which materials is this insert suitable for?
The CCMT120408 AH725 insert is formulated for machining a wide range of steels and stainless steels, offering reliable performance where material mixes occur.

What are the key geometry values to consider?
Important specs include a 0.8 mm nose radius, 4.76 mm thickness, 7° relief angle and the rhombic CCMT 120408 form; the insert also features a cylindrical hole with a one‑sided countersink.

Will this insert fit my existing holders?
Compatibility is determined by insert form, relief angle, tolerance class, fastening style, size and thickness; the CCMT120408 designation and standard dimensions make it compatible with common ISO CCMT holders when matching those parameters.

What advantages does the AH725 grade offer?
AH725 is a universal, fracture‑resistant PVD‑coated carbide grade that provides enhanced process security, especially useful for mixed‑material runs and smaller tool applications where stability is critical.

What is the article and SKU for ordering?
The article number is 6856767 and the manufacturer SKU is TUN6856767 for the CCMT120408 AH725 insert.

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.