Tungaloy DCMT11T308-PS T9125 CVD Coated Carbide Turning Insert for Steel

$82.76 USD

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Description

Tungaloy DCMT11T308-PS T9125 Turning Insert

Professional Steel Machining | Premium T9125 CVD Grade | Made in Japan

What is the most stable insert for high-feed steel finishing?

The Tungaloy DCMT11T308-PS T9125 is a high-performance CVD coated carbide turning insert designed for maximum stability in steel machining. Utilizing the advanced T9125 grade, this insert features a thick alumina layer that acts as a thermal shield, preventing heat from penetrating the carbide substrate during high-speed operations. The 0.8mm corner radius provides enhanced edge strength and allows for higher feed rates without compromising surface integrity. Equipped with the -PS chipbreaker (Polish Style), it ensures exceptional chip control in finishing and light-medium cutting. This Japan-made indexable turning tool is the ideal CNC machining solution for shops requiring long tool life and consistent performance in carbon and alloy steels. Integrating this long-tail keywords optimized insert into your production line will significantly reduce downtime and improve part quality.

Decoding the DCMT11T308-PS Technical Nomenclature

D
55° Rhombic
C
7° Clearance
M
M-Tolerance
T
Hole & Screw
11
11.6mm Edge
T3
3.97mm Thick
08
0.8mm Radius
-PS
Polish Style

Technical Specs: Metric vs. Imperial Comparison

ISO Parameter Metric Unit Imperial Equiv.
ISO Model Name DCMT11T308-PS DCMT32.52-PS
Inscribed Circle (IC) 9.525 mm 3/8 inch
Corner Radius (RE) 0.8 mm 1/32 inch

How does the T9125 grade improve CNC efficiency?

The T9125 Grade is the backbone of Tungaloy's steel turning lineup. It is engineered with "PremiumTec" surface technology, which creates a smoother coating surface to reduce friction and built-up edge. In precision machining, stability is key; the 0.8mm radius of this indexable turning tool offers superior resistance to edge chipping, even when encountering slight interruptions or variations in material hardness. The -PS chipbreaker creates a "sharp-yet-strong" cutting action, allowing for higher feed rates than 0.4mm versions while maintaining excellent chip evacuation. For any CNC machining facility, this translates to faster cycle times and more predictable tool replacement intervals.

Recommended Cutting Parameters (T9125)

  • Cutting Speed (Vc): 140 - 280 m/min (Steel)
  • Feed Rate (f): 0.08 - 0.25 mm/rev
  • Depth of Cut (ap): 0.5 - 2.0 mm

*Tip: The 0.8mm radius excels at higher feed rates. For optimal surface finish, ensure your feed is roughly 1/3 to 1/2 of the corner radius.*

Feedback from Global Machinists

⭐⭐⭐⭐⭐ "Workhorse for Alloy Steel" - James R., USA
"Running these on 4140 pre-hardened. The T9125 grade is incredibly stable and the 0.8mm radius lets me push the feed a bit more than usual. Great tool life."

⭐⭐⭐⭐⭐ "Reliable Japan Quality" - G. Müller, Germany
"Tungaloy never fails. These DCMT11T308 inserts provide a very consistent finish. The -PS breaker handles the chips perfectly even in gummy carbon steel."

⭐⭐⭐⭐ "Great for Heavy Finishing" - Akira H., Japan
"Used these for final passes on large shafts. Dimensional accuracy is maintained throughout the batch. Very stable grade."

⭐⭐⭐⭐⭐ "Reduced Chipping" - Matteo L., Italy
"Our previous inserts chipped on light interruptions, but the T9125 holds up much better. Excellent performance for the price."

⭐⭐⭐⭐⭐ "Genuine & Fast" - S. Bennett, UK
"Authentic Tungaloy stock. Fast delivery to our shop. These work perfectly on our CNC lathes for all steel components."

Technical Tooling Q&A

Q: Can I use T9125 for stainless steel?

A: While it can handle some stainless, T9125 is specifically optimized for steel. For stainless, we recommend PVD grades like AH725 to prevent work hardening and adhesion.

Q: What is the difference between 04 and 08 radius?

A: The 08 (0.8mm) radius has a stronger edge and allows for higher feed rates, whereas the 04 (0.4mm) is better for thin-walled parts or sharp corners.

Q: Which tool holder fits this insert?

A: Fits standard ISO holders like SDJCR/L 1212/1616 or internal boring bars such as S...-SDUCR11.

Expert Tip: Maximizing Tool Life

In precision machining, heat management is everything. CVD Coated Carbide (T9125) thrives when cutting speeds are sufficient to generate heat into the chip. Avoid running too slow, as this can lead to built-up edge on these premium CNC machining inserts.

© 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.