Tungaloy DCMT11T302-24 NS9530 Precision Cermet Turning Insert

$49.43 USD

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Description

Tungaloy DCMT11T302-24 NS9530 Turning Insert

Mirror Finish Specialist | Premium NS9530 Cermet | Made in Japan

How do I get a mirror finish on carbon steel parts?

The Tungaloy DCMT11T302-24 NS9530 is a high-performance cermet turning insert specifically engineered for precision finishing operations. Unlike traditional carbide, the NS9530 cermet grade provides exceptional chemical stability and high resistance to oxidation. This prevents the "built-up edge" (BUE) that often ruins surface Ra on steel workpieces. The -24 chipbreaker is designed for light finishing, featuring a sharp cutting edge and a optimized rake angle for superior chip control at high speeds. This Japan-made indexable turning tool is a favorite for CNC machining shops that require high-gloss finishes and tight dimensional tolerances. By integrating this long-tail keywords optimized insert into your workflow, you can significantly reduce secondary polishing processes and extend your tool life.

Decoding the DCMT11T302-24 Technical Nomenclature

D
55° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole & Screw
11
11.6mm Edge
T3
3.97mm Thick
02
0.2mm Radius
-24
Finish Type

Technical Specs: Metric vs. Imperial Comparison

ISO Parameter Metric Unit Imperial Equiv.
Product Model DCMT11T302-24 DCMT32.50.5-24
Inscribed Circle (IC) 9.525 mm 3/8 inch
Thickness (S) 3.97 mm 5/32 inch
Corner Radius (RE) 0.2 mm 0.008 inch

What makes NS9530 cermet better than coated carbide?

The NS9530 Grade is a specialized cermet (ceramic-metal composite) that maintains high hardness at elevated temperatures. In precision machining, the low affinity between cermet and steel workpieces ensures that the DCMT11T302-24 creates a superior surface luster compared to coated carbide. The -24 chipbreaker geometry is a masterpiece of finishing design, providing stable chip evacuation even at extremely low depths of cut. For CNC machining of small precision parts, the 0.2mm corner radius allows for intricate detailing while the cermet substrate ensures the edge stays micro-sharp for hundreds of cycles. This indexable turning tool is the ultimate solution for high-productivity steel finishing.

Recommended Cutting Parameters (NS9530)

  • Cutting Speed (Vc): 120 - 320 m/min
  • Feed Rate (f): 0.03 - 0.12 mm/rev
  • Depth of Cut (ap): 0.1 - 1.2 mm

*Pro Tip: Cermet inserts perform best at high speeds. Avoid low-speed machining to prevent micro-chipping of the sharp edge.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Mirror Finish Success" - James W., USA
"We turn small shafts in carbon steel. The NS9530 grade gives a mirror finish that we couldn't achieve with standard carbide. Highly impressed."

⭐⭐⭐⭐⭐ "Extreme Speed Stability" - M. Berger, Germany
"Tungaloy cermet is top tier. The 0.2 radius is very precise for our intricate components. Fast delivery and authentic Japan quality."

⭐⭐⭐⭐ "Very Reliable" - Luca B., Italy
"Consistent tool life. The -24 breaker manages chips perfectly in light finishing. Great for CNC lathes."

⭐⭐⭐⭐⭐ "Better surface Ra" - Hiro H., Japan
"Perfect for precision machining. The Ra results are significantly better than our previous supplier. Tight G-tolerances."

⭐⭐⭐⭐⭐ "Genuine Quality" - Sarah L., UK
"Original Tungaloy inserts. They work exactly as stated in the catalog. Excellent for alloy steel finishing."

Technical Tooling Q&A

Q: Can I use this for stainless steel?

A: NS9530 is primarily for steel. For stainless, cermet can be used for very light finishing, but a PVD carbide might offer better toughness for sticky materials.

Q: Is coolant required for cermet?

A: Cermet has high heat resistance and can be used dry. However, for a superior finish, light coolant helps with chip evacuation. Avoid heavy thermal shock.

Q: What tool holder fits this DCMT 11T3?

A: This fits standard ISO holders like the SDJCR/L 1212 or 1616 series, and boring bars such as S...-SDUCR/L.

Expert Tip: Why Cermet over Carbide for Ra?

For precision machining, Cermet (NS9530) has a much lower affinity for steel than Tungsten Carbide. This means no material sticks to the edge, resulting in the brilliant "Japan-finish" surface luster that your customers demand.

© 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.