Tungaloy CNMG120404-37 NS9530 Cermet Turning Insert for Finishing Steel - BEYOND

Tungaloy CNMG120404-37 NS9530 Cermet Turning Insert for Finishing Steel

$48.28 USD

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

Add to WishlistCompare
WhatsApp Inquiry

american expressmasterpaypalvisaapple paygoogle payshopify pay
Order in the next [totalHours] hours %M minutes to get it between and
Description

Tungaloy CNMG120404-37 NS9530 Cermet Insert

Ultimate Surface Finish | NS9530 Cermet Grade | Precision Made in Japan

Why should I use Cermet NS9530 for finishing steel parts?

The Tungaloy CNMG120404-37 NS9530 is a premium cermet turning insert designed specifically for light-duty finishing and semi-finishing of steel. The NS9530 grade is a non-coated cermet that offers incredible chemical stability and resistance to built-up edge (BUE), resulting in a mirror-like surface finish that carbide simply cannot match. This indexable turning tool features the specialized -37 chipbreaker, which is engineered for low cutting forces and excellent chip control at small depths of cut. Ideal for CNC machining where dimensional accuracy and aesthetic quality are paramount, this Japan-made precision machining tool is the industry standard for high-speed finishing. By using this long-tail keywords optimized solution, you can achieve extended tool life while maintaining tight tolerances on carbon and alloy steels.

Decoding the CNMG120404-37 Technical Code

C
80° Rhombic
N
0° Clearance
M
M Tolerance
G
Double Sided
12
12.9mm Edge
04
4.76mm Thick
04
0.4mm Radius
37
Finish Breaker

Technical Specs: Metric vs. Imperial Conversion

Technical Standard Metric (Standard) Imperial Equiv.
ISO / ANSI Model CNMG120404-37 CNMG431-37
Inscribed Circle (IC) 12.7 mm 1/2 inch
Corner Radius (RE) 0.4 mm 1/64 inch

How does the -37 chipbreaker manage fine chips at high speeds?

The -37 Chipbreaker is specifically tailored for light-duty cutting. In CNC machining finishing passes, chips can often become long and "stringy," which can damage the workpiece or tangle around the tool holder. The -37 geometry ensures that even at small depths of cut, chips are broken into short, manageable segments. Combined with the NS9530 cermet grade, which maintains a sharp cutting edge longer than carbide, this indexable turning tool provides a consistent and stable tool life. This precision machining combination is perfect for high-speed finishing where surface brightness and dimensional stability are the top priorities.

Recommended Cutting Parameters for NS9530

Optimized for P (Steel) finishing:

  • Cutting Speed (Vc): 100 - 300 m/min
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

*Note: Cermet works best at higher speeds and lower feed rates to achieve a high-gloss finish.*

Feedback from Global CNC Pros

⭐⭐⭐⭐⭐ "Mirror finish on 1045 steel" - Robert T., USA
"Switched from coated carbide to this NS9530 for our final passes. The difference in surface brightness is night and day. Dimensions stay perfect."

⭐⭐⭐⭐⭐ "Best finishing insert" - Hans M., Germany
"The -37 breaker works great for light cuts. No more long chips tangling up the machine. Authentic Tungaloy Japan quality."

⭐⭐⭐⭐ "Great tool life" - Sato Y., Japan
"Consistent performance across hundreds of parts. NS9530 is very reliable for high-speed CNC finishing. Very happy with the results."

⭐⭐⭐⭐⭐ "Excellent for tight tolerances" - Luca G., Italy
"We use these for our precision valve components. The thermal stability of the cermet helps us hold microns all day long."

⭐⭐⭐⭐⭐ "Original and fast delivery" - Tan K., Singapore
"Received genuine Tungaloy inserts. Packaging was perfect. Performance on the lathe is exactly what we expected from a top cermet grade."

Technical Finishing Q&A

Q: Can I use cermet for heavy roughing?

A: No. Cermet is brittle compared to carbide. It is optimized for finishing. For roughing, use a CVD coated grade like T9125.

Q: Should I use coolant with NS9530?

A: Cermet can be used dry or wet. However, for the best surface finish and to prevent thermal cracking, a consistent flow of coolant is recommended.

Q: What is the benefit of the -37 breaker?

A: It is a "Low Cutting Force" geometry. This prevents vibration (chatter) on thin-walled parts or long workpieces during finishing passes.

Expert Insight: Cermet vs. Coated Carbide

For precision machining finishing passes, Cermet (NS9530) provides a significant advantage. Because cermet does not react with steel at high temperatures, it prevents the "cloudy" finish often caused by carbide, ensuring your parts have a superior surface finish and high aesthetic value.

© Technical Content by cnchome-beyond.com - Japan Precision Finishing

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.