CNMG 120404 NS9530 Wendeplatten - Tungaloy

Benefit from the combination of a sharp, uncoated cermet cutting edge, a precise 0.4 mm corner radius, and ISO compatibility for reliable finishing operations; order the item via Metav Werkzeuge or request support from the consultants for process integration.

CNMG 120404 NS9530 indexable turning insert — Tungaloy, ISO 120404, finishing grade

A CNMG120404 NS9530 indexable insert designed for precision turning and fine finishing of steel components.

• Cermet NS9530 for high surface finish
• ISO CNMG120404 form for standard holder compatibility
• 0.4 mm corner radius for fine finishing
• Double-sided chipbreaker with cylindrical hole

Achieve superior surface finish with a cermet finishing grade

The uncoated cermet grade NS9530 is formulated for low cutting forces and a consistently sharp cutting edge, delivering improved surface quality on steel during finishing passes. Cermet combines ceramic hardness with metal toughness, so the insert sustains a keen edge at low feed rates and small depths of cut; this translates into reliably smooth finishes and reduced need for manual rework. Continuous cutting conditions benefit most from these properties, where stable chip formation and minimal edge wear support consistent part quality.

Confident clamping and ISO-based compatibility for production lines

Constructed to the ISO CNMG120404 form, the insert fits a wide range of standard external holders and boring bars when the holder geometry, clearance angle and tolerance class match. The plate is rhombic with an included angle of 80°, a 0° clearance, and a cylindrical hole, while the plate thickness measures 4.76 mm and the nominal size is 12 mm. These measurable parameters enable straightforward integration into existing tool systems and ensure repeatable clamping, which is essential for process stability in serial production.

Lower forces, higher efficiency: what the sharp edge enables

A sharp, uncoated cermet edge reduces cutting resistance, which lowers spindle load and can permit modest increases in cutting speed under the right conditions. The sharp cutting edge and low cutting forces make the insert especially efficient for finishing passes, where improved surface integrity and minimal thermally induced damage are priorities. Selecting the appropriate double-sided chipbreaker and matching the grade to the workpiece material and machining stability helps to extend effective tool life and to sustain consistent cycle times.

Practical setup recommendations for reliable results

For outer and inner turning operations, pair the insert with a suitable rigid holder and the correct shim or clamp set to maintain axial and radial stability. The system build typically comprises the ISO insert, an external holder or boring bar, a shim/underlay and replacement screws; ensuring the holder’s geometry matches the insert’s form prevents misalignment and premature wear. Choose the chipbreaker and machining parameters according to material, feed and depth of cut — the double-sided chipbreaker offers economy by allowing index rotation once one cutting edge is worn.

Contact Metav Werkzeuge to discuss Tungaloy CNMG 120404 NS9530 inserts for your turning applications or to arrange tailored machining recommendations from our specialists

Technical data

• Article number: 6998138-Tungaloy
• Manufacturer SKU: TUN6998138
• Manufacturer article number: 6998138
• Model series: ISO-Drehwendeschneidplatten
• ISO designation: CNMG120404
• Application: Turning
• Typical use: External and internal turning

Facts

• Included angle: 80°
• Corner radius: 0.4 mm
• Clearance (relief) angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 12 mm

Special features

• Grade: NS9530
• Cutting material type: uncoated cermet
• Chipbreaker: double-sided
• Plate form: rhombic
• Hole style: cylindrical hole
• System components: insert, holder, shim/clamp set, replacement screws

FAQ

What applications is this insert best suited for?
The CNMG120404 NS9530 Tungaloy indexable insert is optimised for finishing operations in turning, particularly for steel components where a high surface finish is required.

Is the insert compatible with standard holders?
Compatibility is provided by the ISO CNMG120404 form; compatibility depends on holder form, tolerance class, fastening method, size and thickness.

What does the NS9530 grade indicate?
NS9530 denotes an uncoated cermet finishing grade developed for sharp cutting edges, low cutting forces and good surface integrity on steel.

How should the insert be used to achieve the best surface finish?
Use small depths of cut and continuous cutting conditions, pair the insert with a rigid holder and select the double-sided chipbreaker appropriate to the operation for stable chip control.

Can the insert be rotated or indexed during use?
The insert is double-sided and can be indexed to use additional cutting edges; ensure correct clamping and torque for secure repositioning.

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.