Tungaloy TNGG160402L-P NS9530 Turning Insert
High-Performance Cermet Grade NS9530 | Precision -P Chipbreaker | 0.2mm Left-Hand Radius
What is the best cermet insert for high-gloss finishing on carbon steel?
The Tungaloy TNGG160402L-P NS9530 is a high-precision left-hand cermet insert specifically designed for finishing operations where surface quality and dimensional accuracy are paramount. Utilizing the NS9530 premium cermet grade, this insert offers exceptional resistance to oxidation and built-up edge, resulting in a mirror-like finish on carbon and alloy steels. The 0.2mm corner radius (02) and the -P precision chipbreaker are engineered for ultra-fine depths of cut and superior chip control. 100% Made in Japan, it is the professional choice for CNC high-speed precision turning.
NS9530 Cermet Grade
A titanium-based cermet grade with excellent fracture toughness and wear resistance. Ideal for stable, high-speed finishing of steel and stainless steel.
-P Precision Breaker
Designed for ultra-light loads. The -P geometry ensures chips are broken cleanly even at depths of cut as low as 0.05mm, preventing surface scratches.
0.2mm Fine Radius
The sharp 0.2mm radius minimizes radial cutting forces, making it perfect for profiling thin-walled parts or achieving tight tolerances.
Decoding TNGG 160402L-P Nomenclature
T
Triangular
N
0° Relief
G
Tolerance
G
Ground
16
16mm L
04
4.76mm Thk
02
0.2mm Rad
L-P
Left/Chip
3. Technical Data: Metric vs. Imperial Conversion
| Technical Parameter |
Metric (ISO) |
Imperial (ANSI) |
| Standard Model |
TNGG160402L-P |
TNGG 330.5L-P |
| Inscribed Circle (IC) |
9.525 mm |
3/8" |
| Thickness (S) |
4.76 mm |
3/16" |
| Corner Radius (RE) |
0.2 mm |
0.008" |
Recommended Cutting Parameters (NS9530 Cermet)
-
Cutting Speed (Vc): 100 - 300 m/min (Optimized for Finishing)
-
Feed Rate (f): 0.03 - 0.12 mm/rev (High Surface Gloss)
-
Depth of Cut (ap): 0.1 - 0.8 mm
*Pro Tip: Cermet is less likely to react chemically with steel than tungsten carbide. For maximum surface luster, ensure cutting speeds are kept high to prevent any built-up edge.*
4. Primary Applications
- Precision high-gloss finishing of low-carbon and alloy steels.
- Boring and turning of delicate, thin-walled aerospace components.
- Final dimensioning for high-precision shafts and bearings.
- Mirror-finish profiling for medical or watch-making parts.
5. Tool Compatibility
Compatible with standard TN** 1604 tool pockets. Specifically designed for WTJNL or MTJNL Left-hand external tool holders and S-WTJNL internal boring bars.
7. Why Source from CNCHome-Beyond?
Genuine Tungaloy
100% Original Japan Stock
Expert Support
Technical Director Advice
Global Logistics
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Feedback from CNC Machinists
⭐⭐⭐⭐⭐ "Mirror Finish on Steel" - Robert K., UK
"The NS9530 cermet is superior for finishing. We get a surface gloss on carbon steel parts that our customers thought was ground. Highly recommended."
⭐⭐⭐⭐⭐ "Perfect Sharpness" - M. Schmidt, Germany
"Original Japan stock. Using the left-hand holder with this 0.2mm radius insert for very fine profiling. Very stable dimensions over long runs."
⭐⭐⭐⭐ "Great for Light Boring" - Lee J., South Korea
"The -P chipbreaker is excellent for small depths of cut. Chips are handled well and don't scratch the finish. Excellent support from Beyond."
⭐⭐⭐⭐⭐ "Authentic Quality" - Alessandro B., Italy
"Exactly what we needed. Authentic factory-sealed boxes. The technical data provided helped us dial in our CNC setup immediately."
⭐⭐⭐⭐⭐ "Reliable B2B Partner" - Arjun M., India
"Fast shipping and genuine Tungaloy inserts. Best source for our workshop's high-precision finishing needs."
8. FAQ - Professional Support
Q: Why use Cermet (NS9530) instead of Carbide?
A: Cermet has a higher resistance to built-up edge and oxidation at high temperatures, which allows it to maintain a sharper edge and produce a superior surface finish on steel.
Q: Can I use this in a Right-hand tool holder?
A: No. This is a Left-hand (L) insert. It must be paired with a Left-hand (L) tool holder (WTJNL) to ensure the chipbreaker faces the workpiece correctly.
Tech Tip: Cermet Handling
Cermet is more brittle than carbide. For best results with **NS9530**, avoid heavy intermittent cuts and ensure high spindle speeds. **Tungaloy Japan** - Excellence in precision surface finishing technology.
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