Tungaloy TCMT090204-PS AH725 PVD Coated Carbide Turning Insert for Steel

$56.52 USD

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Description

Tungaloy TCMT090204-PS AH725 Turning Insert

Precision Steel Machining | High-Performance AH725 PVD Carbide | 0.4mm Radius

What is the best PVD grade for high-precision steel turning?

The Tungaloy TCMT090204-PS AH725 is a premium triangular indexable insert designed for the ultimate precision in ISO P (Steel) and ISO M (Stainless Steel) machining. Featuring the advanced AH725 PVD coated carbide grade, this tool is engineered for exceptional edge sharpness and wear resistance. The -PS chipbreaker is Tungaloy's specialized geometry for finishing operations, providing superior chip control at very light depths of cut. 100% Made in Japan, it is the industrial standard for CNC operators requiring tight tolerances and mirror-like surface finishes.

AH725 PVD Coating

A multi-layered PVD coating that provides high hardness and excellent adhesion. It effectively prevents built-up edge (BUE) and chipping, even during low-speed precision work.

-PS Finishing Breaker

The 'PS' geometry features a sharp cutting edge and wide chip pocket, making it perfect for light cutting depths where other breakers fail to break chips properly.

Japanese Manufacturing

Manufactured with Tungaloy's world-class quality standards in Japan, ensuring consistent performance and dimensional stability across every batch.

Decoding TCMT090204-PS Technical Nomenclature

T
Triangular
C
7° Relief
M
Tolerance
T
Hole/Fix
09
9.6mm L
02
2.38mm Thk
04
0.4mm Rad.
-PS
Chipbreaker

3. Technical Specifications: Metric vs. Imperial

Parameter Metric (ISO) Imperial Equivalent
Cutting Edge Length (L) 9.6 mm TCMT 1.8(1.5)1
Inscribed Circle (IC) 5.56 mm 7/32"
Thickness (S) 2.38 mm 3/32"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Cutting Parameters (AH725)

  • Cutting Speed (Vc): 80 - 180 m/min
  • Feed Rate (f): 0.03 - 0.15 mm/rev
  • Depth of Cut (ap): 0.1 - 1.5 mm

*Machinist Advice: AH725 is a high-adhesion PVD grade. When turning small diameters or boring, maintain the recommended feed to utilize the -PS geometry for optimal chip evacuation.*

4. Product Applications

  • Precision finishing of alloy and stainless steels.
  • Small diameter internal boring operations.
  • Swiss-type CNC lathe machining for miniature parts.
  • Ideal for applications requiring high surface finish Ra values.

5. Tool Compatibility

Compatible with standard Tungaloy / ISO boring bars and external turning holders using TCMT 0902 size inserts (7/32" Inscribed Circle). Fits S-STFCR/L series holders perfectly.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japanese stock
Industrial Support
Professional B2B technical team
Global Logistics
Reliable shipping for factory supply
Direct Sourcing
Stable inventory of premium tools

Professional Success Stories

⭐⭐⭐⭐⭐ "Mirror Finish on 304 Stainless" - Johann B., Germany
"The AH725 grade is incredible for finishing. We used these on 304 stainless shafts and achieved a mirror finish without any edge buildup."

⭐⭐⭐⭐⭐ "Perfect for Small Boring" - David L., USA
"I use these in my 10mm boring bars. The -PS breaker handles the chips perfectly in tight spaces. Quality is definitely original Tungaloy."

⭐⭐⭐⭐ "Great Precision" - T. Sato, Japan
"Very consistent dimensions across the box. AH725 is a very stable grade for our precision Swiss lathe work."

⭐⭐⭐⭐⭐ "Quick Shipping" - Wei K., Singapore
"Exactly what we needed. CNCHome-Beyond delivered original stock very fast. Performance is superior to generic alternatives."

⭐⭐⭐⭐⭐ "Sharpest Edge Available" - Carlos M., Spain
"The PVD coating on these is so much better for fine work than CVD. No chipping on the corners even on light passes."

8. FAQ - Technical Support

Q: Why choose PVD AH725 over CVD grades like T9125?

A: PVD coatings are thinner and allow for a much sharper cutting edge. AH725 is preferred for precision finishing and preventing built-up edges in sticky materials like stainless steel.

Q: What is the primary use of the -PS chipbreaker?

A: The -PS is a specialized "Finishing" breaker. It is designed to provide optimal chip control at very small depths of cut and low feed rates.

Q: Does this fit my existing 7/32" tool holder?

A: Yes, TCMT 0902 represents a 5.56mm (7/32") Inscribed Circle, which is the international standard for this size of triangular insert.

Expert Tip: PVD vs. CVD Coating

Choose **PVD AH725** for high-precision finishing and stainless steel applications where edge sharpness is critical. For high-speed, heavy-duty carbon steel turning, a **CVD grade** like T9125 would be more suitable. For precision machining, **Tungaloy Japan** is the professional choice.

© 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.