Tungaloy SCMT09T304-24 T9125 Insert
High-Speed Steel Turning | 24 Precision Breaker | Premium T9125 CVD Grade
What is the best carbide insert for high-speed steel turning?
The Tungaloy SCMT09T304-24 T9125 is a high-performance square carbide turning insert engineered for stable, high-speed machining of carbon and alloy steels. Utilizing the industry-leading T9125 CVD coated grade, this insert offers exceptional wear resistance and thermal stability, making it the top choice for reducing cycle times in ISO P material groups. The 24 chipbreaker is specialized for finishing to medium cutting, ensuring excellent chip control even at varying depths of cut. Made in Japan, this CNC square insert provides the reliability and edge strength required for modern automated production environments.
Premium T9125 CVD Coating
Advanced Al2O3 and TiCN coating layers provide extreme hardness and heat resistance, allowing for significantly higher surface speeds.
24 Finishing Breaker
The positive geometry of the 24-style breaker minimizes cutting forces and prevents vibration, resulting in superior surface finishes.
Stable Tool Life
The "PremiumTec" surface treatment reduces friction and chip adhesion, ensuring predictable tool life over long production runs.
Decoding SCMT09T304-24 Technical Nomenclature
S
Square
C
7° Relief
M
Tolerance
T
Hole/Fix
09
9.52mm Size
T3
3.97mm Thick
04
0.4mm Rad.
24
Breaker
3. Technical Specifications: Metric vs. Imperial
| Parameter |
Metric (ISO) |
Imperial (ANSI) |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Thickness (S) |
3.97 mm |
5/32 inch |
| Corner Radius (RE) |
0.4 mm |
1/64 inch |
| Hole Diameter (D1) |
4.4 mm |
0.173 inch |
Recommended Cutting Parameters (T9125 Grade)
-
Cutting Speed (Vc): 150 - 350 m/min (Carbon & Alloy Steel)
-
Feed Rate (f): 0.08 - 0.25 mm/rev (Optimized Finishing)
-
Depth of Cut (Ap): 0.5 - 2.5 mm
*Note: For maximum performance, ensure high rigidity of the tool holder and workpiece setup.*
4. Product Applications
- Mass production turning of carbon steel components.
- Machining of alloy steel shafts, pins, and gears.
- Automotive engine parts finishing.
- Precision machining where high surface integrity is required.
5. Tool Compatibility
Standard fit for SSDCN or SSKCR/L turning tool holders designed for 9.52mm square inserts (Size 09T3). Perfectly suited for high-RPM CNC lathes.
7. Why Choose CNCHome-Beyond?
Genuine Tungaloy
100% Original Japanese Stock
OEM Authority
Supply Chain for Geely Auto
Technical Support
Expert Machining Guidance
Global Logistics
Fast Shipping Worldwide
Verified Customer Feedback
⭐⭐⭐⭐⭐ "Stable Performance" - D. Roberts, UK
"We've switched to T9125 for all our steel shafts. The tool life is very predictable, which is essential for our lights-out machining."
⭐⭐⭐⭐⭐ "Great Chip Breaking" - K. Schmidt, Germany
"The 24 breaker is excellent. We no longer have issues with long chips wrapping around the spindle on our CNC lathe."
⭐⭐⭐⭐ "Very Sharp Edge" - T. Yamamoto, Japan
"High dimensional accuracy. Tungaloy Japan quality is consistently the best for these types of square inserts."
⭐⭐⭐⭐⭐ "Top B2B Supplier" - G. Rossi, Italy
"Genuine product and fast shipping. Performance on alloy steel is exactly as specified in the catalog."
⭐⭐⭐⭐⭐ "Reliable Quality" - A. Tan, Singapore
"Best price-to-performance ratio for finishing steel. Surface finish is smooth and Ra values are within tolerance."
8. FAQ - Professional Support
Q: Is T9125 better than T9225?
A: T9125 is optimized for higher cutting speeds and wear resistance, while T9225 offers slightly more toughness for interrupted cuts.
Q: Can I use this for stainless steel?
A: T9125 is primarily for steel (ISO P). For stainless steel, we recommend Tungaloy AH630 or AH645 grades.
Q: Does it fit standard SCMT holders?
A: Yes, it is a standard ISO SCMT09T3 size and fits matching holders like the SSDCN series.
Expert Insight: T9125 Coating Technology
In high-speed steel turning, heat is the primary cause of tool failure. The T9125 grade features a thick alumina layer that acts as a superior thermal barrier. This prevents the carbide substrate from softening at high RPMs, ensuring the SCMT09T304 maintains its sharp edge and dimensional accuracy throughout the batch.
© Technical Data by cnchome-beyond.com - Industrial Quality Authority
