Tungaloy SPMT090308-PS NS9530 Cermet Milling Insert for Precision Steel Finishing

$47.32 USD

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Description

Tungaloy SPMT090308-PS NS9530 Milling Insert

High-Gloss Steel Finishing | Premium NS9530 Cermet | -PS Positive Geometry

How can I achieve a mirror-like finish in steel milling?

The Tungaloy SPMT090308-PS NS9530 is a premier cermet milling insert designed specifically for high-speed finishing of ISO P (Steel). By utilizing the NS9530 cermet grade, which provides exceptional chemical stability, this insert prevents built-up edge and oxidation, resulting in a superior surface luster. The -PS chipbreaker features a high-positive rake angle that reduces cutting resistance and heat, making it perfect for precision work on CNC machining centers. 100% Made in Japan, it is the industrial benchmark for mirror finishing.

NS9530 Cermet Grade

A TiCN-based cermet that offers incredible wear resistance and anti-sticking properties. It maintains a sharp edge longer than carbide during finishing.

-PS Sharp Geometry

The -PS "Positive Sharp" breaker is optimized for light milling. It creates clean chips and minimizes workpiece burrs and thermal deformation.

0.8mm Radius Security

The 0.8mm (08) corner radius provides the necessary strength to handle higher feed rates while ensuring high-precision dimensional accuracy.

Decoding SPMT090308-PS Technical Nomenclature

S
Square
P
11° Relief
M
Tolerance
T
Hole/Fix
09
9.525mm IC
03
3.18mm Thk
08
0.8mm Rad.
-PS
Sharp Cut

3. Technical Specifications: Metric vs. Imperial

Parameter Metric (ISO) Imperial Equivalent
Inscribed Circle (IC) 9.525 mm 3/8" (SPMT 32.52)
Thickness (S) 3.18 mm 1/8"
Corner Radius (RE) 0.8 mm 1/32"
Material Grade NS9530 (Cermet) High Gloss Finishing

Recommended Cutting Parameters (NS9530)

  • Cutting Speed (Vc): 150 - 350 m/min
  • Feed per Tooth (fz): 0.10 - 0.22 mm/t
  • Depth of Cut (ap): 0.3 - 2.0 mm

*Expert Note: For cermet inserts, air blast is highly recommended over liquid coolant to avoid thermal cracking and to maximize surface shine.*

4. Product Applications

  • Precision finishing of carbon and alloy steel components.
  • Final face milling for parts requiring mirror-like aesthetics.
  • High-speed machining of automotive and hydraulic valves.
  • Machining operations where dimensional stability is paramount.

5. Tool Compatibility

Compatible with all standard Tungaloy milling bodies designed for SPMT 0903 inserts. Fits ISO standard milling cutters for high-efficiency CNC production.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japanese Stock
B2B Expertise
Professional Industrial Consulting
Fast Delivery
Efficient Global Logistics
Direct Sourcing
Stable Supply for Factories

Professional Machinist Feedback

⭐⭐⭐⭐⭐ "Mirror Surface" - Robert H., Germany
"The NS9530 grade is unbeatable for finishing. We used the SPMT090308-PS on a steel plate job and the finish was incredible. No polishing needed afterward."

⭐⭐⭐⭐⭐ "Very Sharp Edge" - David K., USA
"The -PS geometry cuts very smoothly. Even on our older CNC mills, there was zero vibration. Genuine Tungaloy quality."

⭐⭐⭐⭐ "Great Stability" - S. Nakamura, Japan
"Consistent performance over long batches. We've seen a reduction in tool replacement costs since moving to the NS9530 cermet."

⭐⭐⭐⭐⭐ "Excellent B2B Service" - Lim J., Singapore
"CNCHome-Beyond is our trusted source for Tungaloy. Fast shipping to Singapore and the inserts are always 100% authentic."

⭐⭐⭐⭐⭐ "Precision Choice" - Paolo R., Italy
"Perfect for fine milling. The 0.8mm radius is strong enough for the final pass but keeps the accuracy high."

8. FAQ - Milling Optimization

Q: Why choose cermet over carbide for steel milling?

A: Cermet (NS9530) has a much lower chemical affinity for steel, which practically eliminates built-up edge and produces a much shinier, more precise finish.

Q: What does the -PS chipbreaker do?

A: The -PS is a 'Positive Sharp' geometry. It minimizes cutting resistance and heat, which is vital for maintaining the high-gloss finish of the cermet grade.

Q: Is this insert compatible with standard SPMT 09 holders?

A: Yes. It follows the ISO standard SPMT0903 dimensions and will fit any tool holder designed for 3/8" IC (9.525mm) square inserts.

Expert Tip: Cermet for Mirror Results

The **NS9530 Cermet** grade thrives at high speeds. For the best results, keep your cutting speed (Vc) high and your feed (fz) consistent. Cermet is more brittle than carbide, so avoid heavy roughing or heavily interrupted cuts. Use **Tungaloy Japan** technology for components that demand perfection. Trust in original precision.

© Technical Data by cnchome-beyond.com - CNC Tool Authority

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:

  • For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
  • For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

The optimal cutting parameters vary depending on the workpiece hardness and operation type:

  • For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
  • For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.

What is your international shipping policy and typical lead time for orders?

We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.

How do you guarantee the quality and tolerance precision of your CNC tools?

All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.