Tungaloy TCMT16T304-24 T9125 CVD Coated Carbide Turning Insert for Steel Finishing

$82.56 USD

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Description

Tungaloy TCMT16T304-24 T9125 Turning Insert

High-Speed Steel Machining | Premium T9125 CVD Carbide | 0.4mm Radius

Which turning insert is best for high-productivity steel finishing?

The Tungaloy TCMT16T304-24 T9125 is a premium triangular turning insert designed for the rigorous demands of ISO P (Steel) machining. Utilizing the world-renowned T9125 CVD coated carbide grade, this insert offers unparalleled wear resistance and thermal stability during high-speed operations. The -24 chipbreaker combined with a 0.4mm corner radius ensures precise chip control and excellent surface integrity. Engineered and Made in Japan, it is the professional choice for CNC machining centers seeking to reduce downtime and improve part quality.

T9125 Premium Coating

Advanced CVD coating technology provides a thick alumina layer for extreme heat resistance, allowing for higher cutting speeds in alloy steels without edge deformation.

-24 Precision Breaker

The -24 geometry is specifically designed for light-to-medium finishing, preventing chip entanglement and promoting stable cutting even at lower feed rates.

Robust Substrate

The specialized carbide substrate balances toughness and hardness, making it highly resistant to chipping and thermal cracking in continuous cutting.

Decoding TCMT16T304-24 Technical Nomenclature

T
Triangular
C
7° Relief
M
Tolerance
T
Hole/Fix
16
16.5mm L
T3
3.97mm Thk
04
0.4mm Rad.
-24
Chipbreaker

3. Technical Specifications: Metric vs. Imperial

Parameter Metric (ISO) Imperial Equivalent
Cutting Edge Length (L) 16.5 mm TCMT 32.51
Inscribed Circle (IC) 9.525 mm 3/8"
Thickness (S) 3.97 mm 5/32"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Cutting Parameters (T9125)

  • Cutting Speed (Vc): 120 - 300 m/min
  • Feed Rate (f): 0.05 - 0.25 mm/rev
  • Depth of Cut (ap): 0.2 - 2.5 mm

*Machinist Note: T9125 is optimized for dry machining or air cooling. If using liquid coolant, ensure high pressure and volume to avoid thermal shock to the CVD coating.*

4. Product Applications

  • High-speed finishing of carbon and alloy steels.
  • Final machining of automotive shafts and gears.
  • Boring operations for heavy industrial components.
  • Suitable for both continuous and light interrupted cuts.

5. Tool Compatibility

Compatible with standard Tungaloy / ISO tool holders designed for TCMT 16T3 size inserts (3/8" Inscribed Circle). This includes various external turning shanks and large diameter boring bars.

7. Why Choose CNCHome-Beyond?

Genuine Tungaloy
100% Original Japanese stock
Industrial Expertise
Professional B2B technical advice
Fast Shipping
Global logistics for factory lines
Direct Sourcing
Stable and reliable tool supply

Global Professional Feedback

⭐⭐⭐⭐⭐ "Superb Heat Resistance" - Markus H., Germany
"T9125 is the only grade that lasts through our high-speed steel turning cycles. The 16T3 size provides great stability."

⭐⭐⭐⭐⭐ "Reliable B2B Supplier" - David K., USA
"Exactly as described. Authentic Tungaloy stock delivered quickly to our facility. These inserts are crucial for our gear production."

⭐⭐⭐⭐ "Great for Finishing" - S. Nakamura, Japan
"The -24 breaker manages chips perfectly in mild steel. Consistent size control even on long batches."

⭐⭐⭐⭐⭐ "Impressive Surface Ra" - Lim J.H., Singapore
"Very smooth finishing pass results. CNCHome-Beyond provided excellent support for our technical queries."

⭐⭐⭐⭐⭐ "Durable CVD Grade" - Luca B., Italy
"We've reduced our tool costs since switching to Tungaloy. The T9125 grade is incredibly stable in heat-treated steel."

8. FAQ - Turning Technical Support

Q: Is T9125 suitable for stainless steel?

A: While T9125 can cut stainless, it is optimized for ISO P (Steel). For stainless steel (ISO M), Tungaloy's AH series is generally recommended.

Q: What is the benefit of the CVD coating on this insert?

A: The CVD coating on T9125 provides a thick, wear-resistant layer that protects the carbide substrate from the extreme temperatures generated at high cutting speeds.

Q: Does this fit my boring bar?

A: If your boring bar pocket is designed for a TCMT 16T3 (3/8" IC) triangular insert, this will fit perfectly. Check your tool holder model number for verification.

Expert Tip: Carbide vs. Cermet

Choose **T9125 Carbide** for heavy productivity and versatility in various steels. If your application requires an absolute mirror finish under very stable conditions, you might consider **NS9530 Cermet**. For consistent reliability, **Tungaloy Japan** remains the professional choice.

© Technical Data by cnchome-beyond.com - Industrial Tool Expert

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.