CCMT 09T308 AH120 Wendeplatten - Tungaloy

Take advantage of the combination of PVD-coated carbide reliability, a sharp cutting edge and ISO compatibility for steady productivity and reduced tool change frequency. Available to order via Metav Werkzeuge or consult the technical advisers for application-specific recommendations.

CCMT 09T308 AH120 Tungaloy indexable insert for turning (ISO 09T308)

A CCMT09T308 AH120 indexable turning insert designed for external and internal turning, offering high wear resistance and process-secure cutting in ISO-compliant tool systems.

PVD-coated carbide grade AH120
Sharp cutting edge for process security
Rhombic ISO form 09 with 80° cutting angle
Cylindrical hole with 40°–60° single countersink

Consistent productivity through a wear-resistant cutting grade

The PVD-coated carbide grade AH120 delivers a balance of wear resistance and edge strength suited to demanding turning operations. The coating provides a hard, thin layer that reduces abrasive wear and preserves a sharp cutting edge, which in turn maintains dimensional accuracy over longer runs. For production environments where cycle times and repeatability matter, this cutting grade supports stable metal removal rates and helps to reduce unplanned tool changes, contributing to overall process efficiency and lower unit costs.

Clear compatibility rules to avoid setup errors

Compatibility within ISO systems is determined by geometry and tolerance: form, relief angle, tolerance class, clamping method, size and thickness. The rhombic form 09 and standardised mounting dimensions ensure the insert fits any matching holder when these parameters align. The central feature to check is the insert’s hole and countersink style, which here is a cylindrical hole with a single-sided countersink at 40°–60°; this secures correct seating and torque transmission during turning. Making these checks before mounting reduces downtime and prevents clamping-related failures.

Geometry and chip control explained for reliable finishes

An 80° cutting angle combined with a 7° relief provides a robust cutting geometry that balances shear action and flank clearance. The 0.8 mm corner radius increases edge strength for interrupted cuts and improves surface integrity on finished components. The insert’s single-sided chipbreaker is designed to control chip formation according to workpiece material and machining stability; selecting the appropriate chipbreaker and feed parameters reduces the risk of built-up edge and promotes consistent surface quality. These geometric choices support both roughing and finishing tasks when matched to machine rigidity and process parameters.

Where the insert adds value and how to specify it

Intended for general turning applications, the indexable insert is suited to both external and internal turning operations where a sharp, wear-resistant edge is required. For best results, pair the insert with a holder that matches the ISO dimensions and confirm the clamping set and spare screws as part of the system. The grade’s combination of wear resistance and chipping resistance makes it a pragmatic choice for mixed-production shops seeking predictable tool life. For application-specific guidance—material pairing, recommended feeds or chipbreaker selection—consult Metav Werkzeuge’s technical documentation or speak with a specialist to align the insert with machining objectives.

For application advice or availability of the Tungaloy AH120 grade, contact Metav Werkzeuge for prompt consultation and order handling — info@metav-werkzeuge.com / +49 2822 7131930

Technical data

• Article number: 6824254
• Manufacturer SKU: TUN6824254
• Item SKU: 6824254-Tungaloy
• Model series: ISO turning indexable inserts
• Material: carbide
• Grade: AH120

Facts

• Size: 09
• Insert designation: 09T308
• Thickness: 3.97 mm
• Corner radius: 0.8 mm
• Cutting angle: 80°
• Relief angle: 7°
• Hole: with hole
• Hole style: cylindrical hole + single countersink (40°–60°)

Special features

• Rhombic insert form
• Single-sided chipbreaker
• PVD-coated carbide
• Designed for external and internal turning
• ISO-standardised geometry

FAQ

What machining tasks is this insert intended for?
The insert is intended for turning operations; the CCMT09T308 AH120 Tungaloy indexable insert suits both external and internal turning tasks where wear resistance and edge stability are required.

How does the AH120 grade improve tool life?
The AH120 grade uses a PVD-coated carbide structure that reduces abrasive wear and resists chipping, which helps the insert maintain a sharp cutting edge and extend effective life in many turning applications.

Which holders are compatible with this ISO insert?
Compatibility depends on matching form, relief angle, tolerance class, clamping method, size and thickness; holders conforming to the ISO 09 form and the 3.97 mm thickness will accept the insert when these parameters align.

What does the 0.8 mm corner radius mean for surface finish?
A 0.8 mm corner radius increases edge strength and typically produces a robust surface finish; it is well suited to operations where a balance between roughing stability and acceptable surface integrity is needed.

How does the hole and countersink affect mounting?
The cylindrical hole with a single-sided countersink (40°–60°) ensures secure seating and correct torque transfer when clamped with the appropriate screw and pad, reducing the risk of insert movement during turning.

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.