TaeguTec DCMT11T308PC TT9225 | CVD Steel Finishing Turning Insert
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TaeguTec DCMT11T308PC TT9225
Mastering Steel Finishing: High-Performance CVD Gold Technology
Product Overview
"Which insert grade is the most reliable for achieving high-speed finishing and long tool life on carbon and alloy steel components?"
The TaeguTec DCMT11T308PC TT9225 is a premium CVD-coated carbide insert designed specifically for ISO P (Steel) applications. The TT9225 grade features a sophisticated multi-layered gold coating that provides a high-thermal barrier, significantly reducing crater wear during continuous high-speed turning. The PC (Precision-Chip) chipbreaker utilizes a sharp, ground-like geometry to ensure excellent chip control at finishing depths, preventing surface marring. With its 0.8mm radius, this insert provides enhanced edge toughness, making it the primary choice for stable, high-efficiency steel machining.
Key Features
Thick alumina layer provides extreme heat resistance, allowing for higher cutting speeds (Vc) without compromising tool integrity.
A sharp rake angle designed for low cutting resistance and precise chip breaking in alloy and mild steels.
Optimized for semi-finishing passes, providing higher feed rates and better edge protection than smaller radii.
Technical Specifications
ISO Code Decoding: DCMT11T308PC
55° Rhom
7° Relief
Tolerance
Hole/Sint
9.525mm IC
3.97mm S
0.8mm RE
Finishing
| Unit System | Designation | I.C. Dimension | Thickness |
|---|---|---|---|
| Metric (ISO) | DCMT11T308PC | 9.525 mm | 3.97 mm |
| Imperial (ANSI) | DCMT3(2.5)2PC | 0.375" | 0.156" |
Recommended Cutting Parameters
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Low Carbon Steel (ISO P) | 220 - 480 m/min | 0.08 - 0.22 mm/rev |
| Alloy Steel (ISO P) | 180 - 380 m/min | 0.08 - 0.18 mm/rev |
Compatible Toolholders
This 11T3 series insert fits all standard external and internal toolholders including SDJCR/L 11 and S-SDUCR/L 11 boring bars.
Product Applications
- High-speed finishing of carbon steel shafts and transmission parts.
- Semi-finishing of alloy steel industrial components.
- Precision CNC turning for the automotive and energy sectors.
- Continuous machining where dimensional stability and surface gloss are critical.
TaeguTec Grade Comparison Matrix
| Grade Name | Coating | Primary Strength |
|---|---|---|
| TT9225 | CVD Gold | Maximum wear resistance for high-speed steel turning. |
| TT8125 | CVD Black | General-purpose steel turning with balanced toughness. |
Why Choose TaeguTec?
TaeguTec, as part of the IMC Group, leads the world in industrial cutting technology. The TT9225 series represents the pinnacle of CVD coating advancement, designed specifically for shops that demand efficiency and high output. By combining sub-micron carbide engineering with the precision-ground PC chipbreaker, TaeguTec ensures that your steel finishing processes are stable, fast, and aesthetically perfect. When your business relies on high-speed CNC performance, TaeguTec TT9225 is the industrial standard for excellence.
Global Industry Feedback
"Top-Tier Tool Life"
Increased our Vc significantly on 4140 steel. The TT9225 gold coating really stands up to the heat.
— Precision Engineering Ltd. (USA)"Exzellente Oberfläche"
Perfect surface finish every time. The PC breaker works flawlessly for our finishing passes on carbon steel.
— Maschinenbau Scholz (Germany)"Molto Affidabile"
Consistent dimensions across a 500-part run. A very reliable insert for high-volume work.
— Officina Meccanica Rossi (Italy)Frequently Asked Questions
1. Is TT9225 suitable for dry turning?
Yes, the thick Al2O3 layer in the CVD coating is designed to handle the high heat of dry steel turning effectively.
2. How does the PC breaker perform at low depths of cut?
The PC (Precision-Chip) geometry is specialized for finishing, meaning it excels at depths as low as 0.2mm.
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.