Tungaloy SPMT090304-24 T9125 Milling Insert
High-Speed Steel Milling | Premium T9125 CVD Grade | Stable & Durable
What is the most reliable carbide insert for high-speed steel milling?
The Tungaloy SPMT090304-24 T9125 is a high-performance carbide milling insert designed for versatile machining in ISO P (Steel) and ISO K (Cast Iron). Featuring the legendary T9125 CVD coating, this insert offers exceptional resistance to crater wear and plastic deformation, ensuring a long and predictable tool life even in high-temperature cutting environments. The -24 chipbreaker is precision-engineered for balanced cutting forces and efficient chip evacuation. 100% Made in Japan, it is the industrial standard for reliability in CNC milling centers.
T9125 Premium Coating
A specialized CVD grade with a thick Al2O3 layer that provides industry-leading heat resistance. It allows for higher cutting speeds without compromising edge integrity.
-24 Universal Geometry
Designed for medium-to-light milling, the -24 breaker effectively manages chips across various feed rates, preventing workpiece scratching and heat buildup.
Impact Resistance
The robust carbide substrate is formulated to withstand the shocks of interrupted cuts, making it a dependable choice for face and shoulder milling.
Decoding SPMT090304-24 Technical Nomenclature
S
Square
P
11° Relief
M
Tolerance
T
Hole/Fix
09
9.525mm IC
03
3.18mm Thick
04
0.4mm Rad.
-24
Milling
3. Technical Specifications: Metric vs. Imperial
| Parameter |
Metric (ISO) |
Imperial Equivalent |
| Inscribed Circle (IC) |
9.525 mm |
3/8" (SPMT 32.51) |
| Thickness (S) |
3.18 mm |
1/8" |
| Corner Radius (RE) |
0.4 mm |
1/64" |
| Hole Diameter (d1) |
4.4 mm |
0.173" |
Recommended Cutting Parameters (T9125)
-
Cutting Speed (Vc): 180 - 280 m/min
-
Feed per Tooth (fz): 0.10 - 0.25 mm/t
-
Depth of Cut (ap): 1.0 - 4.0 mm
*Pro Tip: Ensure stable workholding. T9125 performs best in continuous and slightly interrupted high-speed milling.*
4. Product Applications
- High-speed shoulder and face milling of carbon and structural steels.
- Efficient machining of alloy steels and cast iron components.
- B2B industrial production in automotive and general engineering.
- Stable machining of large batch production orders.
5. Tool Compatibility
Compatible with all standard Tungaloy Tung-Turn / Tung-Tri milling bodies designed for SPMT 0903 inserts. Fits ISO standard milling cutters for high-speed CNC machining centers.
7. Why Choose CNCHome-Beyond?
Genuine Tungaloy
100% Original Japanese Import
Industrial Support
Expert Knowledge for B2B Clients
Fast Global Delivery
Direct Fulfillment & Logistics
Reliable Source
Consistent Inventory for Production
Global Professional Feedback
⭐⭐⭐⭐⭐ "Reliable Tool Life" - Thomas B., Germany
"We switched to the T9125 grade for our high-speed milling lines. The predictability of tool life is fantastic. Very stable Japanese quality."
⭐⭐⭐⭐⭐ "Perfect Fit" - James K., USA
"Fits our SPMT09 holders perfectly. The -24 breaker manages chips very well even at higher feeds. Original Tungaloy is always worth the investment."
⭐⭐⭐⭐ "Great for Structural Steel" - Hiroshi T., Japan
"Excellent performance in alloy steels. Heat resistance is impressive. We've seen a 20% increase in productivity since moving to T9125."
⭐⭐⭐⭐⭐ "Fast Shipping B2B" - Lim Y., Singapore
"Ordered in bulk from CNCHome-Beyond. Fast delivery to Singapore. These inserts are our standard for all carbon steel milling jobs."
⭐⭐⭐⭐⭐ "Strong Edge" - Paolo M., Italy
"Handles interrupted cuts much better than our previous grade. Very tough carbide. Excellent value for European shops."
8. FAQ - Milling Support
Q: Is T9125 better than T9225 for milling?
A: T9125 is a more versatile all-around grade for ISO P steel. T9225 is often better for heavy-duty roughing, while T9125 excels in high-speed applications.
Q: Can I use this for finishing?
A: Yes, the SPMT090304-24 can be used for semi-finishing and finishing, but for absolute mirror finishes, consider the NS9530 cermet grade.
Q: What does the '04' stand for?
A: The '04' denotes the corner radius of 0.4mm (approximately 1/64"), which is excellent for sharp corners and reduced cutting force.
Expert Tip: Carbide vs. Cermet
The **T9125 Carbide** grade is built for toughness and heat resistance, making it perfect for high-speed material removal and interrupted cuts in steel. If your goal is high productivity and durability, T9125 is the choice. For mirror-like aesthetic finishes on final passes, check out our cermet options. Trust **Tungaloy Japan** for top-tier performance.
© Technical Data by cnchome-beyond.com - CNC Tool Authority
