CNMG 120408 GT9530 Wendeplatten - Tungaloy

Take advantage of the GT9530 coated cermet grade for improved wear resistance and superior surface finish, combined with the cost-efficiency of a double-sided rhombic insert; order the CNMG120408 directly via Metav Werkzeuge or consult the advisors for application-specific recommendations.

CNMG120408 GT9530 Tungaloy indexable insert — Coated cermet finishing grade for turning

A CNMG120408 GT9530 Tungaloy indexable insert designed for finishing to light general turning of steel under stable machining conditions.

*Coated cermet grade GT9530 for finishing
*Enhanced tool life in stable turning conditions
*CNMG rhombic geometry, 0° relief angle
*Cylindrical hole for secure clamping

Increased process efficiency with a wear-resistant cermet grade

The GT9530 is a coated cermet designed to deliver high wear resistance during finishing passes on steel. Cermet combines ceramic hardness with metallic toughness, which helps to maintain edge integrity and reduce flank wear, resulting in a more consistent surface finish over longer tool life. Under stable setups, the grade’s formulation supports repeatable performance, lowering the frequency of insert changes and improving overall cycle-time efficiency. The combination of coating and cermet substrate is particularly advantageous where fine surface quality and reduced edge deterioration are priorities.

Geometry and clamping for consistent cutting performance

The CNMG rhombic shape with a 0° relief angle and a double-sided chipbreaker provides neutral cutting geometry and economical use of both cutting edges. The rhombic form supports both external and internal turning, while the cylindrical hole enables reliable clamping in standard ISO holders. Double-sided inserts halve tooling cost per edge compared with single-sided types and contribute to predictable chip formation. This geometry promotes steady cutting forces and helps maintain dimensional stability when the machine set-up and workpiece support are adequate.

Practical application guidance and system compatibility

Intended for turning operations, the insert suits finishing to light general-purpose machining of steel where a high-quality surface and extended life are required. Selection of the matching chipbreaker and the correct grade should reflect workpiece material, machining strategy and stability of the set-up. The ISO-standard system comprises the insert, a compatible external holder or boring bar, a support/ clamp set and replacement screws; compatibility is determined by shape, relief angle, tolerance class, fixing method, size and thickness. Proper holder choice and clamping ensure the grade’s benefits translate into measurable productivity gains.

Contact Metav Werkzeuge for tailored advice on application parameters or to acquire the CNMG120408 GT9530 Tungaloy insert; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6735859
• Manufacturer SKU: TUN6735859
• SKU: 6735859-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Designation: CNMG120408 GT9530

Facts

• Insert size: 12 mm
• Thickness: 4.76 mm
• Nose radius: 0.8 mm
• Included angle: 80°
• Relief angle: 0°

Special features

• Coated cermet grade GT9530
• Double-sided chipbreaker
• Rhombic CNMG form
• Cylindrical hole, with hole
• ISO-compatible turning insert
• Application: finishing to light general-purpose turning of steel
• Compatibility factors: form, relief angle, tolerance class, fixing, size, thickness

FAQ

What materials is this insert suitable for?
The CNMG120408 GT9530 Tungaloy insert is optimised for steel machining, providing wear-resistant finishing performance under stable conditions.

Can the insert be used for both internal and external turning?
Yes, the rhombic CNMG geometry and double-sided design make the insert suitable for both external and internal turning operations.

How does the GT9530 grade improve surface finish?
The coated cermet composition of the GT9530 offers a fine cutting edge and reduced flank wear, which together contribute to consistently improved surface quality when the insert is used for finishing passes.

Is the insert reversible and what is the benefit?
The insert is double-sided, allowing use of both cutting edges; this reduces tooling costs per edge and supports economical production runs.

What must be considered for holder compatibility?
Compatibility depends on the insert’s form, relief angle, tolerance class, fixing method, size and thickness; the CNMG120408 fits standard ISO turning holders when these parameters match

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.