Tungaloy DNMG150404L-S NS9530 Cermet Turning Insert for Finishing

$57.28 USD

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Description

Tungaloy DNMG150404L-S NS9530 Cermet Insert

High-Speed Finishing | Premium NS9530 Cermet Grade | Made in Japan

What is the best cermet insert for mirror-finish steel turning?

The Tungaloy DNMG150404L-S NS9530 is a specialized cermet turning insert engineered for high-precision finishing operations. Unlike standard carbide, the NS9530 cermet grade provides exceptional resistance to built-up edge and oxidation, making it the ideal choice for achieving a mirror-like surface finish on steel and stainless steel. The -S chipbreaker is optimized for light depths of cut, ensuring excellent chip control at finishing speeds. This Japan-made indexable turning tool is the professional CNC machining choice for those requiring tight dimensional tolerances and a high-quality aesthetic finish. Integrating this long-tail keywords optimized insert into your production cycle ensures superior tool life and unmatched surface integrity.

Decoding the DNMG150404L-S Technical Nomenclature

D
55° Rhombic
N
0° Clearance
M
M-Tolerance
G
Double Sided
15
15.5mm Edge
04
4.76mm Thick
04L
0.4mm Left
-S
Finish Chip

Technical Specs: Metric vs. Imperial Comparison

ISO Parameter Metric Unit Imperial Designation
ISO Model Name DNMG150404L-S DNMG431L-S
Inscribed Circle (IC) 12.7 mm 1/2 inch
Thickness (S) 4.76 mm 3/16 inch
Corner Radius (RE) 0.4 mm 1/64 inch

Recommended Cutting Parameters (NS9530)

  • Cutting Speed (Vc): 150 - 350 m/min (High-Speed Steel Finishing)
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

*Pro Tip: NS9530 is a non-coated cermet. It excels at high speeds with light loads. For best results, use coolant to maintain constant temperatures during finishing.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Like a Mirror" - Alexander G., Germany
"The surface finish on our steel parts is incredible. We don't even need a separate polishing step anymore. Japan cermet at its best."

⭐⭐⭐⭐⭐ "Great Dimensional Control" - Robert K., USA
"Very low heat expansion. These inserts hold tolerance for 100+ parts in a row. Exceptional value for high-speed CNC work."

⭐⭐⭐⭐ "Perfect for SS400 Finishing" - Kenji O., Japan
"The -S chipbreaker manages tiny chips perfectly. No scratches on the finished surface. Very high quality."

⭐⭐⭐⭐⭐ "Top Tier Cermet" - Matteo V., Italy
"Switching to NS9530 improved our cycle times because we could push the speed up significantly. Very satisfied."

⭐⭐⭐⭐⭐ "Reliable and Sharp" - S. Clarke, UK
"The edge stays sharp much longer than standard carbide when finishing. Fast delivery and original packaging."

Technical Tooling Q&A

Q: Is Cermet better than Carbide for finishing?

A: Yes, Cermet (like NS9530) has lower chemical affinity with steel, which reduces tool wear and prevents "built-up edge," resulting in a much smoother surface finish.

Q: What does the "L" mean in 04L?

A: The "L" indicates a Left-handed insert configuration. Ensure your tool holder and lathe rotation are compatible with Left-hand geometry.

Q: Can I use this for roughing?

A: No. Cermet is more brittle than carbide. It is strictly for finishing. Using it for heavy roughing will likely result in sudden edge fracture.

Expert Tip: Cermet vs. Carbide

In precision machining, NS9530 Cermet is the ultimate choice for surface aesthetics. While CVD Coated Carbide is built for strength, Cermet is built for beauty and speed. Protect your indexable turning tool by reserving this grade for final passes only.

© Technical Content by cnchome-beyond.com - Japan Tooling Excellence

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.