CPMT 090308 GT9530 Wendeplatten - Tungaloy

Combining coated cermet durability and the ISO CPMT090308 form factor delivers consistent finishing performance and extended tool life in stable turning operations; order directly via Metav Werkzeuge or consult our specialists for application advice.

CPMT 090308 GT9530 — Tungaloy turning insert (ISO 090308)

The CPMT 090308 GT9530 is an ISO‑standard rhombic turning insert designed for finishing and light universal turning of steel under stable machining conditions.

• Coated cermet GT9530 for wear resistance
• ISO CPMT090308 rhombic insert, 11° relief
• Excellent surface finish for steel finishing
• Compatible with standard holders, with hole

Longer tool life through the GT9530 coating

The coated cermet grade GT9530 combines a wear‑resistant coating with a fine, hard substrate to extend tool life during finishing operations. Cermet grades are engineered to resist abrasive wear while maintaining edge integrity, which results in fewer insert changes and more predictable process windows. In practice, this means reduced downtime and lower tooling costs per component when machining steel with stable setups. The coating improves resistance to built‑up edge and helps preserve the cutting edge at moderately elevated temperatures.

Consistent surface quality with optimised geometry

The rhombic geometry and small corner radius provide controlled engagement and a fine surface result. The insert features a 0.8 mm corner radius and an 11° relief angle with an 80° included angle; the plate thickness is 3.18 mm, giving a stable seating in the pocket and predictable chip formation. These dimensional choices favour finishing passes where minimal cutting forces and good surface integrity are essential. The single‑sided chipbreaker is configured for light to medium feeds, helping to produce consistent chip shapes and to protect the cutting edge during interrupted cuts.

Seamless integration into ISO tool systems

Compatibility with tooling systems is determined by shape, relief, tolerance class, clamping method, size and thickness. The ISO designation CPMT090308 ensures that the insert fits a wide range of standard holders and boring bars when the correct pocket and clamping set are used. This insert is supplied with a central hole configuration — a cylindrical hole plus a one‑side countersink (40°–60°) — that matches many common clamping screws and locators. For system assembly, pair the insert with the appropriate outer holder or boring bar, a suitable backing pad or clamping set, and the correct replacement screw.

Select the right grade and chipbreaker for the job

The GT9530 grade is intended as a wear‑resistant finishing to light universal grade for steel, delivering a superior surface finish and longer life under stable cutting conditions. For different workpiece materials or unstable setups, selecting an alternative chipbreaker or a more tolerant grade will optimise productivity. In stable setups, this insert enables predictable cycle times and fewer interruptions, supporting smooth production flows and repeatable part quality.

Contact Metav Werkzeuge for specific machining recommendations on the Tungaloy GT9530 grade and to check current availability via info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: 6998315
• SKU: 6998315-Tungaloy
• Manufacturer SKU: TUN6998315
• Model series: ISO turning indexable inserts
• Grade: GT9530 (coated cermet)
• Material: cemented carbide
• Application: turning
• Shape: rhombic
• Hole: with hole; cylindrical hole + one‑side countersink (40°–60°)

Core dimensions

• Size designation: 09
• Thickness: 3.18 mm
• Corner radius: 0.8 mm
• Relief angle: 11°
• Included angle: 80°

Special features

• Single‑sided chipbreaker
• ISO CPMT090308 designation
• Coated cermet grade GT9530
• Suitable for steel finishing
• Compatible with standard holders, clamping set and replacement screws

FAQ

What materials is this insert suitable for?
The CPMT090308 GT9530 Tungaloy insert is a coated cermet grade designed primarily for steel finishing; it performs best under stable cutting conditions where good surface quality and extended tool life are required.

What does the designation CPMT090308 indicate?
CPMT090308 denotes the ISO form and size: a rhombic plate with the 09 size designation and the 0308 nose geometry, ensuring compatibility with ISO‑specified holders and pockets.

How does the GT9530 grade affect machining performance?
The GT9530 coating enhances wear resistance and edge life on finishing passes; as a cermet grade it reduces built‑up edge tendency and supports consistent surface finishes in steel turning.

Which clamping configuration is required for this insert?
The insert uses a central cylindrical hole with a single‑side countersink (40°–60°); it is intended to be secured with standard screws and clamping sets that match the ISO CPMT090308 pocket.

Can this insert be used for roughing operations?
The GT9530 grade is optimised for finishing to light universal turning; for heavy roughing an alternative grade with higher toughness is recommended to withstand larger cutting forces.

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.