TaeguTec CCMT09T304PC TT8125 | Universal Steel Turning Insert
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TaeguTec CCMT09T304PC TT8125
The Universal Steel Expert: High-Performance CVD Coating for Maximum Productivity
Product Overview
"Which insert grade provides the ultimate balance of wear resistance and toughness for finishing carbon and alloy steels at medium-to-high speeds?"
The TaeguTec CCMT09T304PC TT8125 is a high-versatility 80° rhombic insert optimized for ISO P (Steel) turning. Featuring the advanced TT8125 CVD coating technology, this grade is engineered for high-speed machining where thermal stability and abrasive wear resistance are paramount. The PC chipbreaker (Precision Cutting) offers a sharp geometry and optimal rake angle, making it the perfect choice for light finishing and medium turning, ensuring excellent chip control even in gummy materials.
Key Features
Thick Al2O3 layer provides a superior thermal barrier, significantly extending tool life during high-speed continuous cuts.
A balanced carbide core that prevents edge chipping during slight interruptions or unstable setups.
Sharp edge designed to reduce radial forces, preventing vibration in boring or thin-walled parts.
Technical Specifications
ISO Code Decoding: CCMT09T304PC
80° Rhom.
7° Relief
Tolerance
Fixing
9.7mm L
3.97mm S
0.4mm Rad.
Chipbreaker
| Unit System | Designation | IC (Inscribed Circle) | Radius (RE) |
|---|---|---|---|
| Metric (ISO) | CCMT09T304PC | 9.525 mm | 0.4 mm |
| Imperial (ANSI) | CCMT32.51PC | 0.375" | 0.016" |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Low Carbon Steel | 180 - 400 m/min | 0.08 - 0.25 mm/rev |
| Alloy Steel / Tool Steel | 150 - 320 m/min | 0.08 - 0.20 mm/rev |
Compatible Holders
This insert is designed for standard SCLCR/L 09 holders and S-SCLCR/L 09 boring bars.
Product Applications
- High-speed finishing of automotive shafts and precision components.
- Precision boring operations where dimensional stability is critical.
- Turning of alloy steel machine parts requiring tight tolerances.
- Continuous machining in ISO P materials where tool heat management is essential.
TaeguTec Grade Comparison
| Grade | Technology | Performance Target |
|---|---|---|
| TT8125 (CVD) | Al2O3 Multi-Layer | Universal: Steel turning at high speeds. |
| CT3000 (Cermet) | TiCN Cermet | Surface finish: Achieving mirror aesthetics. |
Why Choose TaeguTec?
TaeguTec, as a premium brand within the IMC Group, is a world-renowned leader in metallurgical innovation. The TT8125 grade is a testament to South Korean engineering, designed to reduce cost-per-part by maximizing machine uptime and extending tool life in abrasive steel environments. By choosing TaeguTec, you invest in high-precision technology that ensures consistent quality and superior throughput in your manufacturing facility.
Verified Global Feedback
"Excellent versatility"
Tool life on 4140 steel is exceptional. Very predictable wear patterns allow us to run unattended shifts with confidence.
— Precision Tooling (USA)"Sehr zuverlässig"
Consistent results over long batches. The PC chipbreaker is perfect for our small boring bar operations.
— Maschinenbau Nord (Germany)"Reliable finishing"
Switched from another brand to TT8125. Better heat resistance at high speeds. Very impressed.
— Meccanica di Precisione (Italy)Frequently Asked Questions
1. Is TT8125 suitable for interrupted cuts?
TT8125 has high toughness, but it is optimized for continuous or light-interrupted cuts. For heavy interruptions, a dedicated PVD grade is recommended.
2. What is the benefit of the PC chipbreaker?
The PC (Precision Finishing) geometry reduces cutting pressure, which is vital for maintaining accuracy in precision finishing and boring.
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.