Tungaloy TNGG160402L-C NS9530 Turning Insert
High-Precision Cermet Grade | NS9530 Mirror Finish | 0.2mm Precision Radius
What is the best cermet insert for ultra-fine steel finishing?
The Tungaloy TNGG160402L-C NS9530 is a premium cermet turning insert specifically designed for high-precision finishing operations in ISO P (Steel) and ISO M (Stainless Steel). Utilizing the NS9530 uncoated cermet grade, this insert provides exceptional resistance to built-up edge (BUE) and oxidation, ensuring a mirror-like surface finish. The 0.2mm corner radius (02) and the -C chipbreaker are engineered for light depths of cut and tight tolerances. 100% Made in Japan, this Left-hand (L) oriented insert is the professional choice for CNC machining where surface integrity and dimensional accuracy are paramount.
NS9530 Cermet Technology
A non-coated cermet grade that offers superior thermal stability and chemical resistance. It maintains a sharp cutting edge longer than carbide during high-speed finishing.
-C Precision Chipbreaker
Specifically designed for finishing, the -C breaker provides excellent chip control at very low feed rates and shallow depths, preventing "bird-nesting" of chips.
Mirror Surface Quality
Cermet's low affinity for steel prevents workpiece sticking, resulting in superior Ra values and a bright, aesthetic surface finish without secondary polishing.
Decoding TNGG 160402L-C Specification
T
Triangular
N
0° Relief
G
Precision
G
Ground
16
16mm L
04
4.76mm Thk
02
0.2mm Rad
L-C
Left/Chip
3. Technical Data: Metric vs. Imperial Conversion
| Technical Feature |
Metric (ISO) |
Imperial (ANSI) |
| Standard Designation |
TNGG160402L-C |
TNGG 330.5L-C |
| Inscribed Circle (IC) |
9.525 mm |
3/8" |
| Thickness (S) |
4.76 mm |
3/16" |
| Corner Radius (RE) |
0.2 mm |
0.008" |
Expert Cutting Parameters (NS9530 Cermet)
-
Cutting Speed (Vc): 100 - 250 m/min (Best for Finishing)
-
Feed Rate (f): 0.03 - 0.12 mm/rev (High Precision Zone)
-
Depth of Cut (ap): 0.1 - 0.8 mm
*B2B Recommendation: Use NS9530 for long-run finishing to maintain consistent Ra surface values across thousands of parts.*
4. Primary Applications
- Ultra-precision finishing of small shafts and pins.
- Automotive components requiring tight dimensional tolerance.
- Final pass turning for aesthetic stainless parts.
- Continuous light-duty machining at high speeds.
5. Tool Compatibility
Compatible with standard TNGG 1604 pockets. Fits WTJNR/L or MTJNR/L holders. Ensure holder hand matches (L/R) for optimal -C breaker performance.
7. Why Source from CNCHome-Beyond?
Genuine Tungaloy
Authentic Japan Source
Cermet Specialists
Surface Quality Experts
Bulk B2B Inventory
Fast Global Shipping
Tech Director Support
Custom Machining Advice
Global Machinist Feedback
⭐⭐⭐⭐⭐ "Mirror Surface Guaranteed" - David R., USA
"Switched to NS9530 for our small motor shafts. The surface Ra is incredible. We saved hours in manual polishing."
⭐⭐⭐⭐⭐ "Very Stable Grade" - Klaus M., Germany
"Consistent results. The tool life for finishing passes is much better than traditional coated carbide."
⭐⭐⭐⭐ "Great Precision" - Linh T., Vietnam
"Beyond OYYU team recommended the -C breaker for our project. It solved our chip entanglement issues immediately."
⭐⭐⭐⭐⭐ "Perfect for Stainless" - Giovanni L., Italy
"The finish on 304 stainless is bright and reflective. Highly recommended for aesthetic precision parts."
⭐⭐⭐⭐⭐ "Original Packaging" - Rajesh K., India
"Received original Tungaloy Japan boxes. Fast delivery and professional B2B service."
8. FAQ - Cermet Finishing Support
Q: Can I use NS9530 for interrupted cuts?
A: Cermet is more brittle than carbide. It is highly recommended for continuous finishing. For interrupted cuts, we suggest using NS9530 for very light passes only.
Q: Is the 0.2mm radius better than 0.4mm?
A: The 0.2mm radius reduces cutting forces and is perfect for thin-walled parts or finishing into sharp corners, though the edge is more delicate than an 0.4mm.
Tech Tip: When to choose Cermet?
If your priority is high-speed finishing and a mirror finish, **NS9530 Cermet** is superior to carbide. It resists welding at the edge, ensuring the workpiece stays bright and the dimensions stay true. **Tungaloy Japan** - Leading in surface excellence.
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