Tungaloy TNGG160408L-C NS9530 Turning Insert
High-Precision Cermet Grade | NS9530 Mirror Finish | 0.8mm Left-Hand Radius
What is the best cermet insert for stable finishing and long tool life?
The Tungaloy TNGG160408L-C NS9530 is a premium cermet turning insert engineered for high-precision finishing operations in ISO P (Steel) and ISO M (Stainless Steel). Powered by the NS9530 uncoated cermet grade, this insert provides exceptional resistance to built-up edge (BUE) and oxidation, ensuring a stable cutting edge for hours of continuous use. The Left-hand (L) orientation and 0.8mm corner radius (08) offer a perfect balance between surface gloss and edge strength. 100% Made in Japan, it is the industrial choice for CNC operations where dimensional accuracy and aesthetic surface integrity are paramount.
NS9530 Cermet Grade
A non-coated cermet featuring high thermal stability and low affinity for steel. This prevents "smearing" and ensures the workpiece stays bright and accurate across large batches.
-C Precision Chipbreaker
Optimized for finishing, the -C breaker provides superior chip control even at low depths of cut, preventing surface scratches caused by stringy chips.
Left-Hand Orientation
Specifically designed for Left-hand tool holders (WTJNL / MTJNL), allowing for specialized CNC setups and optimized chip flow in specific machine configurations.
Decoding TNGG 160408L-C Specification
T
Triangular
N
0° Relief
G
Tolerance
G
Ground
16
16mm L
04
4.76mm Thk
08
0.8mm Rad
L-C
Left/Chip
3. Technical Data: Metric vs. Imperial Units
| Technical Feature |
Metric (ISO) |
Imperial (ANSI) |
| Standard Designation |
TNGG160408L-C |
TNGG 332L-C |
| Inscribed Circle (IC) |
9.525 mm |
3/8" |
| Thickness (S) |
4.76 mm |
3/16" |
| Corner Radius (RE) |
0.8 mm |
1/32" |
Finishing Parameters for NS9530
-
Cutting Speed (Vc): 100 - 250 m/min (Balanced Finishing)
-
Feed Rate (f): 0.10 - 0.25 mm/rev (High Precision Zone)
-
Depth of Cut (ap): 0.2 - 1.2 mm
*B2B Recommendation: The 0.8mm radius allows for slightly higher feed rates than the 0.4mm version while still maintaining a premium surface finish.*
4. Primary Applications
- High-precision finish turning of carbon and alloy steels.
- Machining of hydraulic components requiring aesthetic surface gloss.
- Final pass turning for large-diameter steel rollers.
- Stable finishing in small-to-medium batch production.
5. Tool Compatibility
Compatible with standard TNGG 1604 pockets. Fits WTJNL or MTJNL Left-hand external holders. Excellent for use with S-WTJNL boring bars for internal profiling.
7. Why Source from CNCHome-Beyond?
Genuine Tungaloy
100% Original Japan Stock
Industrial Support
Technical Director Advice
Global Supply
Fast Bulk Shipping
Precision Experts
Cermet Finishing Specialists
Feedback from Global Machinists
⭐⭐⭐⭐⭐ "Surface Finish is Outstanding" - Robert T., USA
"Using the TNGG160408L-C for final passes on alloy steel shafts. The 0.8mm radius gives a great surface finish even at decent feed rates."
⭐⭐⭐⭐⭐ "Mirror Surface Every Time" - Hans B., Germany
"NS9530 is my go-to grade for steel finishing. No built-up edge, and the part comes out bright like it was polished."
⭐⭐⭐⭐ "Stable and Reliable" - Lin W., Vietnam
"Consistent tool life throughout the batch. Original Tungaloy quality. Beyond OYYU team provided great setup data."
⭐⭐⭐⭐⭐ "Perfect Chip Control" - Luca M., Italy
"The -C breaker works perfectly for our finishing operations. No more stringy chips wrapping around the spindle."
⭐⭐⭐⭐⭐ "Authentic Partner" - Arjun R., India
"Genuine factory boxes and fast delivery. Professional B2B service for our CNC shop."
8. FAQ - Professional Support
Q: Why choose the 0.8mm radius (08) over the 0.4mm (04)?
A: The 0.8mm radius has a stronger edge and allows for higher feed rates while maintaining a smooth surface finish. It is ideal for general finishing in stable setups.
Q: Do I need coolant with NS9530 cermet?
A: Cermet can be used dry to avoid thermal shock, but light coolant or oil mist is often used in finishing to help evacuate chips and improve surface gloss.
Tech Tip: Cermet Surface Integrity
For the highest Ra values, maintain high cutting speeds and avoid heavy interrupted cuts. **NS9530** is designed for the final pass. **Tungaloy Japan** - Excellence in precision surface technology.
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