Tungaloy DCMT11T304-PS T9125 Turning Insert
High-Efficiency Steel Machining | Premium T9125 CVD Grade | Made in Japan
What is the most reliable insert for finishing carbon and alloy steel?
The Tungaloy DCMT11T304-PS T9125 is a premium CVD coated carbide turning insert designed specifically for versatile steel machining applications. Engineered with the high-performance T9125 grade, this insert features a specialized multi-layer coating that provides an excellent thermal barrier and superior resistance to crater wear during continuous cutting. The -PS chipbreaker (Polish Style) utilizes a sharp rake angle and optimized geometry to ensure stable chip evacuation and a high-quality surface finish. This Japan-made indexable turning tool with a 0.4mm corner radius is the industry standard for CNC machining shops that demand long tool life and high dimensional precision. Incorporating this long-tail keywords optimized solution into your workflow guarantees efficiency in high-speed finishing of various steel workpieces.
Decoding the DCMT11T304-PS Technical Nomenclature
D
55° Rhombic
C
7° Clearance
M
M-Tolerance
T
Hole & Screw
11
11.6mm Edge
T3
3.97mm Thick
04
0.4mm Radius
-PS
Polish Style
Technical Specs: Metric vs. Imperial Comparison
| ISO Parameter |
Metric Unit |
Imperial Equiv. |
| ISO Model Name |
DCMT11T304-PS |
DCMT32.51-PS |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Corner Radius (RE) |
0.4 mm |
1/64 inch |
How does the T9125 CVD coating optimize steel turning?
The T9125 Grade represents Tungaloy's cutting-edge CVD technology. It is specifically balanced for versatility, offering high wear resistance for stable cutting and enough toughness to handle light interruptions in steel workpieces. In precision machining, heat is the primary enemy of carbide; T9125 uses an advanced alumina layer that reflects heat back into the chip rather than the tool holder. Combined with the -PS chipbreaker, this indexable turning tool provides a low-friction cutting action that prevents built-up edge (BUE). Whether you are running carbon steel or high-tensile alloy steel, this CNC machining insert delivers consistency you can rely on for high-volume production.
Recommended Cutting Parameters (T9125)
-
Cutting Speed (Vc): 140 - 280 m/min (Steel)
-
Feed Rate (f): 0.05 - 0.20 mm/rev
-
Depth of Cut (ap): 0.2 - 1.5 mm
*Note: CVD coatings reach peak performance at higher speeds. Maintain consistent feed to ensure the PS chipbreaker activates correctly.*
Feedback from Global Machinists
⭐⭐⭐⭐⭐ "Predictable Tool Life" - Robert T., USA
"T9125 is my go-to for 4140 alloy steel. I get 20% more parts per edge than my previous brand. The chips break perfectly every time."
⭐⭐⭐⭐⭐ "Great Surface Finish" - L. Schmidt, Germany
"The -PS chipbreaker is magic on finishing passes. Even at high speeds, the surface remains glossy. Genuine Japan quality."
⭐⭐⭐⭐ "Stable Performance" - Kenji Y., Japan
"Very stable in our CNC lathes. No chipping even when the material hardness varies slightly. A reliable industrial tool."
⭐⭐⭐⭐⭐ "Fast Cycle Times" - Marco V., Italy
"I pushed the Vc to 250m/min and it handled it like a champ. Dimensional accuracy is outstanding throughout the batch."
⭐⭐⭐⭐⭐ "Authentic Stock" - Sarah P., UK
"Original Tungaloy stock. Fast delivery and performs exactly as promised. My first choice for finishing steel components."
Technical Tooling Q&A
Q: Can I use T9125 for stainless steel?
A: T9125 is optimized for steel. For stainless, PVD grades like AH725 are generally better at preventing work hardening and built-up edge.
Q: Is CVD better than cermet for finishing steel?
A: Cermet gives a higher "mirror" shine, but CVD (T9125) is much tougher for varying hardness and heavier finishing passes.
Q: What tool holder fits this DCMT 11T3 insert?
A: It fits standard ISO holders like SDJCR/L 1212/1616 or internal boring bars like S...-SDUCR11.
Expert Tip: CVD Carbide for High-Volume Production
In precision machining, CVD Coated Carbide (T9125) is the ultimate choice for stability. It provides the heat resistance needed for long continuous cuts, ensuring your CNC machining process remains efficient and cost-effective.
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