Tungaloy SPMT090304-24 NS9530 Cermet Milling Insert for Steel

$45.02 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

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Description

Tungaloy SPMT090304-24 NS9530 Milling Insert

High-Precision Steel Milling | Premium NS9530 Cermet | High Surface Luster

Which cermet insert provides the best surface finish for steel milling?

The Tungaloy SPMT090304-24 NS9530 is a high-performance cermet insert designed specifically for milling operations in steel (ISO P). Utilizing the advanced NS9530 cermet grade, this insert offers exceptional resistance to built-up edge (BUE) and oxidation, ensuring long-lasting dimensional accuracy and a brilliant surface luster. The -24 chipbreaker geometry is optimized for stable chip control across a wide range of cutting conditions. 100% Made in Japan, it is the professional's choice for precision components requiring a high aesthetic finish.

NS9530 Cermet Grade

A titanium-based ceramic composite that offers superior chemical stability compared to carbide. It significantly reduces friction and prevents metal welding at high speeds.

-24 Milling Chipbreaker

The -24 geometry is engineered for efficient chip evacuation during milling. It balances edge sharpness with structural strength to prevent chipping during entry and exit.

High Oxidation Resistance

Maintains edge integrity at high temperatures, allowing for higher cutting speeds (Vc) without the rapid degradation seen in standard tungsten carbide.

Decoding SPMT090304-24 Technical Nomenclature

S
Square
P
11° Relief
M
Tolerance
T
Hole/Fix
09
9.525mm Size
03
3.18mm Thick
04
0.4mm Rad.
-24
Milling

3. Technical Specifications: Metric vs. Imperial

Parameter Metric (ISO) Imperial Equivalent
Inscribed Circle (IC) 9.525 mm 3/8" (SPMT 32.51)
Thickness (S) 3.18 mm 1/8"
Corner Radius (RE) 0.4 mm 1/64"
Hole Diameter (d1) 4.4 mm 0.173"

Recommended Cutting Parameters (NS9530)

  • Cutting Speed (Vc): 150 - 300 m/min
  • Feed per Tooth (fz): 0.08 - 0.20 mm/t
  • Depth of Cut (ap): 0.5 - 2.5 mm

*Note: Cermet thrives on speed. Higher Vc values within the range will yield better surface finishes.*

4. Product Applications

  • Precision shoulder milling of carbon and alloy steels.
  • Finishing milling operations where high surface luster is required.
  • High-speed machining of automotive and machine tool parts.
  • Mass production environments requiring stable tool life.

5. Tool Compatibility

Compatible with all standard Tungaloy Tung-Tri or Tung-Turn milling cutters specifically designed for SPMT 0903 inserts. Fits ISO standard milling bodies for high-speed CNC machining centers.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japanese Import
Industrial Support
Expert Knowledge for B2B Clients
Global B2B Logistics
Fast Fulfillment & Tracking
Reliable Inventory
Consistent Source for Production

What Machinists Say About SPMT090304

⭐⭐⭐⭐⭐ "Mirror Finish Success" - Markus H., Germany
"Switched from carbide to this NS9530 cermet for finishing steel plates. The surface finish is absolute mirror quality. No more BUE!"

⭐⭐⭐⭐⭐ "Authentic Japanese Quality" - James R., USA
"Very stable insert for our high-speed mills. Holds the tolerance even after long production runs. Definitely genuine Tungaloy."

⭐⭐⭐⭐ "Great for Steel" - T. Yamamoto, Japan
"The -24 breaker works well for chip evacuation. Very sharp edge. Excellent for our precision automotive contracts."

⭐⭐⭐⭐⭐ "Fast Shipping B2B" - Lim S., Singapore
"CNCHome-Beyond is our go-to supplier for Tungaloy. The SPMT0903 inserts arrived in perfect condition and performed exactly as expected."

⭐⭐⭐⭐⭐ "No Vibrations" - Luca G., Italy
"Minimal cutting force due to the sharp cermet edge. Perfect for our thin-walled steel components."

8. FAQ - Milling Precision Support

Q: Can I use this for rough milling?

A: No. Cermet is more brittle than carbide. It is designed for high-precision finishing. For roughing, we recommend T9125 or similar carbide grades.

Q: Does it fit standard 3/8" IC milling cutters?

A: Yes. SPMT0903 is the metric designation for SPMT 32.51, which has a 9.525mm (3/8") Inscribed Circle.

Q: Should I use coolant with cermet milling?

A: Air blast is often preferred for cermet to avoid thermal shock, but light coolant can be used for extra surface shine on certain steels.

Expert Tip: The Cermet Advantage in Milling

The **NS9530 cermet** grade provides a much lower chemical affinity for steel compared to Tungsten Carbide. This means the workpiece material doesn't "weld" to the insert, preventing the jagged edges that cause dull finishes. For the best result, keep your cutting speed high and your feed consistent. Trust **Tungaloy Japan** for world-class CNC results.

© 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.