TaeguTec DCMT11T304PC TT9225 | High-Speed Steel Turning Insert
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TaeguTec DCMT11T304PC TT9225
Premium CVD Coating: The Benchmark for High-Efficiency Steel Turning
Product Overview
"Which insert grade offers the best balance of wear resistance and toughness for high-speed finishing of carbon and alloy steels?"
The TaeguTec DCMT11T304PC TT9225 is a high-versatility CVD-coated carbide insert optimized for ISO P (Steel) turning. The TT9225 grade is a multi-layered gold coating designed to withstand high temperatures and abrasive wear, making it ideal for high-velocity CNC operations. The PC (Precision-Chip) chipbreaker features a sharp cutting edge and refined geometry that ensures consistent chip evacuation even at light depths of cut. With a 0.4mm corner radius, this insert provides the precision needed for tight tolerances and excellent Ra values in professional manufacturing.
Key Features
Thick alumina (Al2O3) coating provides a thermal barrier for high-speed machining and prolonged tool life.
Engineered specifically for finishing passes, reducing cutting forces and heat build-up on the workpiece.
Special post-treatment of the coating minimizes friction, resulting in a smooth, high-gloss surface finish.
Technical Specifications
ISO Code Decoding: DCMT11T304PC
55° Rhom
7° Relief
Tolerance
Hole/Sint
9.525mm IC
3.97mm S
0.4mm RE
Chipbreaker
| Unit System | Designation | I.C. Dimension | Radius |
|---|---|---|---|
| Metric (ISO) | DCMT11T304PC | 9.525 mm | 0.4 mm |
| Imperial (ANSI) | DCMT3(2.5)1PC | 0.375" | 0.016" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon Steel (ISO P) | 180 - 450 m/min | 0.05 - 0.20 mm/rev |
| Alloy Steel (ISO P) | 150 - 350 m/min | 0.05 - 0.15 mm/rev |
Compatible Toolholders
This DCMT 11T3 series insert is perfectly matched with standard holders including SDJCR/L 11, SDNCN 11, and S-SDUCR/L 11 boring bars.
Product Applications
- High-speed finishing and semi-finishing of carbon steel components.
- Precision CNC turning of alloy steel shafts and geared parts.
- Continuous machining of automotive and industrial steel hardware.
- Excellent for automated mass production requiring long-term tool life.
TaeguTec Steel Grade Benchmark
| Grade Name | Technology | Primary Focus |
|---|---|---|
| TT9225 | CVD Gold Coated | The Steel Pro: Best for high-speed wear resistance. |
| TT8125 | CVD Coated | The All-Rounder: Balanced toughness and wear. |
Why Choose TaeguTec?
TaeguTec, as a leading global manufacturer under the IMC Group, is committed to pushing the boundaries of material science. The TT9225 series represents the pinnacle of CVD coating technology for steel machining. By combining ultra-durable alumina layers with precision-ground PC chipbreakers, TaeguTec ensures your CNC operations reach maximum efficiency with minimal downtime. When your production demands high output and consistent surface quality, the DCMT 11T3 series with TT9225 is the industry's reliable standard for steel finishing.
Global Industry Feedback
"Excellent Wear Resistance"
We switched to TT9225 for our 4140 steel production. The tool life increased by 30% compared to our previous brand.
— Precision Components LLC (USA)"Hervorragendes Finish"
Perfect for finishing passes. The PC breaker ensures clean chips and no surface scratches.
— Werkzeugbau GmbH (Germany)"Very Consistent"
Stable performance across large batches. Holds dimensions very well even at high speeds.
— Officina Meccanica (Italy)Frequently Asked Questions
1. Is TT9225 suitable for interrupted cuts?
TT9225 is optimized for high-speed continuous cutting. For heavy interruptions, a tougher grade like TT8125 or TT9235 is recommended.
2. How does the PC chipbreaker perform at low feed rates?
The PC breaker is specifically designed for finishing, meaning it excels at feed rates as low as 0.05 mm/rev, providing excellent chip control.
Technical FAQ & Buying Guide
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.
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.
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.
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.
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.
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.