Tungaloy CCMT09T308-24 T9125 Turning Insert
Enhanced Edge Strength | Premium T9125 CVD Grade | Professional Steel Turning
Product Overview
The Tungaloy CCMT09T308-24 T9125 is a high-performance CVD coated carbide turning insert engineered for versatile steel machining. Utilizing the advanced T9125 grade, this insert features a specialized multi-layer coating that balances extreme wear resistance with the toughness needed for light interrupted cuts. The 0.8mm corner radius provides superior edge strength, making it ideal for semi-finishing and stable finishing passes. Coupled with the 24-style chipbreaker, it ensures excellent chip evacuation and reduced cutting forces in CNC machining. Made in Japan, this indexable turning tool is the industrial standard for maximizing tool life in precision machining.
Technical Designation Breakdown
C
80° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole Type
09
9.5mm Edge
T3
3.97mm Thick
08
0.8mm Radius
24
Chipbreaker
Technical Specifications: Metric vs. Imperial
| Feature |
Metric Designation |
Imperial Equivalent |
| Standard Model |
CCMT09T308-24 |
CCMT32.52-24 |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Corner Radius (RE) |
0.8 mm |
1/32 inch |
T9125 Grade: The All-Rounder for Steel
The T9125 grade is Tungaloy's answer to modern precision machining demands. It features a thick, heat-resistant CVD coating that acts as a thermal barrier, allowing for higher cutting speeds. This long-tail keywords industry favorite provides the necessary toughness to handle vibrations and varying depths of cut, significantly extending tool life in CNC machining centers.
Advanced 24 Chipbreaker
The 24 chipbreaker geometry is meticulously designed for light to medium turning. It facilitates stable chip breaking across a wide range of feed rates, protecting your workpiece from chip damage and ensuring a smooth, high-quality surface finish.
Recommended Cutting Parameters
Optimized for P (Steel) Applications:
-
Cutting Speed (Vc): 120 - 320 m/min (390 - 1050 SFM)
-
Feed Rate (f): 0.08 - 0.30 mm/rev
-
Depth of Cut (ap): 0.5 - 2.5 mm
*Pro Tip: Use the 0.8mm radius to achieve faster feed rates while maintaining structural integrity.*
Global Verified Reviews
⭐⭐⭐⭐⭐ "Great for general steel work" - Liam O., UK
"T9125 is my daily driver for steel turning. The 0.8mm radius is tough enough for rougher surfaces, and the finish is still excellent."
⭐⭐⭐⭐⭐ "Highly reliable inserts" - Satoshi N., Japan
"Authentic Tungaloy quality. The CCMT09T308 size fits all my standard boring bars. Tool life is much better than cheaper alternatives."
⭐⭐⭐⭐ "Solid performance" - Robert P., USA
"Ran these on some 4140 steel. Dimensional stability was great through the whole batch. The 24 chipbreaker keeps things clean."
⭐⭐⭐⭐⭐ "Excellent surface Ra" - Gianluca F., Italy
"Even with the larger radius, the finish on our CNC parts is impressive. T9125 really handles the heat well."
⭐⭐⭐⭐⭐ "Best value for Tungaloy" - Ahmed Z., UAE
"Fast shipping and genuine parts. These inserts are essential for our high-precision workshop. Will buy again."
Technical Q&A
Q: Is T9125 tougher than T9115?
A: Yes, T9125 is designed with higher fracture toughness, making it more suitable for general steel turning and light interrupted cuts than the T9115 grade.
Q: What is the benefit of the 0.8mm radius?
A: A 0.8mm (08) radius provides more edge strength than a 0.4mm radius, allowing for higher feed rates and better durability in less stable setups.
Q: Can I use this for stainless steel?
A: While it can cut stainless, it is optimized for carbon and alloy steels. For stainless steel, we recommend Tungaloy’s AH725 or T6120 grades for maximum efficiency.
Expert Machining Tip: CVD Selection
For high-speed turning in steel where heat is the main enemy, CVD Coated Carbide like T9125 is the top choice. The multi-layered coating acts as a shield, preserving the sharp cutting edge and ensuring the stability of your indexable turning tool throughout its life.
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