TUNGALOY CCMT09T302-24 NS9530
High-Speed Steel Finishing | Premium Cermet Grade | Precision 24 Chipbreaker
Product Overview
The Tungaloy CCMT09T302-24 NS9530 is a high-performance Cermet turning insert specifically engineered for fine finishing of steel and cast iron. Utilizing Tungaloy’s advanced NS9530 Cermet grade, this insert provides exceptional chemical stability and resistance to oxidation, resulting in a consistent "mirror finish" on your workpiece. The integrated 24-style chipbreaker is optimized for light-duty finishing, ensuring excellent chip control even at low depths of cut. Made in Japan, this indexable turning tool is the professional choice for CNC machining shops that prioritize surface quality and dimensional accuracy in precision machining.
Technical Designation Breakdown
C
80° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole Type
09
9.5mm Edge
T3
3.97mm Thick
02
0.2mm Radius
24
Chipbreaker
Technical Specifications: Metric vs. Imperial
| Feature |
Metric (Standard) |
Imperial Equiv. |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Thickness (S) |
3.97 mm |
5/32 inch |
| Corner Radius (RE) |
0.2 mm |
0.008 inch |
NS9530 Cermet Grade: The Key to Surface Gloss
The NS9530 grade is a premium titanium-based Cermet. Unlike standard carbide, Cermet does not have a chemical affinity for iron, which prevents the material from "welding" to the insert tip (Built-up Edge). This long-tail keywords industry favorite allows for significantly higher cutting speeds and provides a superior tool life for finishing passes. It is designed to maintain a sharp edge, which is critical for achieving a mirror finish.
Precision 24 Chipbreaker
The 24 Chipbreaker is specifically designed for light-to-medium finishing. Its geometry ensures that even at low feed rates, the chips are broken into manageable curls, protecting the surface of your precision components from "bird nesting" or scratching.
Recommended Cutting Parameters
Best for Steel (P) and Cast Iron (K):
-
Cutting Speed (Vc): 130 - 280 m/min (425 - 920 SFM)
-
Feed Rate (f): 0.05 - 0.20 mm/rev
-
Depth of Cut (ap): 0.1 - 1.2 mm
*Pro Tip: Higher speeds generally improve surface finish when using Cermet inserts.*
Global Verified Reviews
⭐⭐⭐⭐⭐ "Mirror finish every time" - Matthias S., Germany
"I use these for final passes on precision shafts. The NS9530 grade gives a finish that looks like it was ground. Highly recommend."
⭐⭐⭐⭐⭐ "Great Chip Control" - Hiroshi Y., Japan
"Tungaloy quality is always reliable. The 24 chipbreaker handles light finishing cuts without long stringy chips. Excellent tool life."
⭐⭐⭐⭐ "Very durable for Cermet" - John D., USA
"Usually, Cermet can be brittle, but these hold up well in continuous cuts. Dimensional stability is perfect across 100+ parts."
⭐⭐⭐⭐⭐ "Top Grade for Finishing" - Marco V., Italy
"The CCMT09T3 size is very standard, but the NS9530 grade makes a huge difference in the aesthetic quality of the steel parts."
⭐⭐⭐⭐⭐ "Fast Shipping and Authentic" - Alan B., UK
"Original Japanese inserts. Fast delivery. These work beautifully on our CNC lathes for high-speed finishing."
Technical Q&A
Q: Can I use this for finishing 304 Stainless Steel?
A: NS9530 is a Cermet optimized for Carbon Steels. For Stainless Steel, we recommend Tungaloy's PVD coated carbide grades like AH725 for better durability.
Q: What is the benefit of the 0.2mm radius?
A: The 0.2mm (T302) radius is ideal for very light finishing and creating sharp corners. It minimizes cutting forces, which is great for thin-walled parts.
Q: Which tool holder does this fit?
A: This fits any standard **SCLCR09** or **SCLCR3/8** turning tool or boring bar designed for size 09T3 inserts.
Expert Machining Tip: Why choose Cermet?
For precision machining, Cermet is superior to carbide in finishing because it maintains edge sharpness at high temperatures without chemical reaction. This is the secret to achieving that professional mirror finish in CNC machining environments.
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