Taegutec TDT 4E-0.4 TT5100 CVD Insert for Cast Iron Turning & Grooving (10pcs)
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TaeguTec TDT 4E-0.4 TT5100
Specialized 4.0mm CVD Solution for High-Speed Turning and Grooving in Cast Iron
Product Overview
"Which 4mm multi-function insert provides the longest tool life when high-speed turning abrasive Gray and Ductile Iron?"
The TaeguTec TDT 4E-0.4 TT5100 is a high-performance multi-directional tool designed for the specific challenges of Cast Iron (ISO K) machining. While universal grades often fail due to the abrasive nature of carbon flakes, the TT5100 grade utilizes a thick CVD coating that provides a massive thermal barrier and extreme hardness. The 4E geometry is a neutral, reinforced design that allows the tool to transition seamlessly from radial grooving to longitudinal turning. With a 0.4mm corner radius, it maintains edge strength under heavy loads while delivering the precision required for complex profiling of engine components, pulleys, and housings.
Core Advantages
The TT5100 grade offers superior abrasive wear resistance, allowing for much higher cutting speeds in Gray and Nodular iron compared to PVD grades.
Built for the T-Turn system, the insert handles significant side-loading forces during axial turning and profiling without deflection.
The 4E chipbreaker is designed to manage the short, brittle chips typical of cast iron, preventing dust buildup and ensuring a clean work environment.
Technical Specifications
Model Decoding: TDT 4E-0.4 TT5100
T-Turn
4.0mm
Neutral
Radius
Iron Grade
| Scale | Width (W) | Radius (r) | Model |
|---|---|---|---|
| Metric | 4.00 mm | 0.40 mm | TDT 4E-0.4 |
| Imperial | 0.157" | 0.016" | TDT 157E-016 |
Recommended Cutting Data (ISO K - Cast Iron)
| Material Sub-type | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Gray Cast Iron | 150 - 300 | 0.15 - 0.35 |
| Ductile Iron | 120 - 250 | 0.12 - 0.30 |
Required Hardware
Applications & Compatibility
- High-Speed Iron Machining: Specifically designed for mass production of cast iron automotive and industrial parts.
- Profiling & Contouring: The multi-directional capability allows for intricate shapes in one continuous path.
- Heavy Radial Grooving: The 4.0mm width provides excellent stability for deep radial entries.
- System Compatibility: Fits all TaeguTec T-Turn holders, blades, and boring bars with Seat Size 4.
TaeguTec Grade Comparison Matrix
| Grade | ISO Target | Coating Type | Primary Benefit |
|---|---|---|---|
| TT5100 | ISO K | CVD | Extreme Abrasive Resistance in Cast Iron |
| TT9080 | P, M, K | PVD | Universal Grade for Interrupted Cuts |
| TT7220 | P, K | PVD | High Speed Steel & Hardened Iron |
Engineered for Maximum Throughput
TaeguTec’s TDT 4E-0.4 TT5100 is not just an insert; it’s a productivity multiplier. By leveraging CVD technology specifically for Cast Iron, we allow your CNC machines to run faster and longer between tool offsets.
"Amazing tool life on G25 gray iron. We doubled our cutting speed compared to our previous PVD grade."
— Robert T., USA"Der TT5100 ist perfekt für die Serienfertigung von Bremstrommeln. Sehr stabil."
— Hans B., Germany"Ottima resistenza all'abrasione sulla ghisa sferoidale. Consigliatissimo."
— Luca F., Italy"Consistent wear patterns. Makes it easy to predict tool changes in our lights-out shifts."
— Sato Y., JapanFrequently Asked Questions
A: No. TT5100 is optimized for Cast Iron. For Steel turning and grooving, the TT9080 or TT7220 grades are much better suited to prevent crater wear.
A: Yes, if paired with a T-Turn internal boring bar of the correct seat size (4), this insert is excellent for internal grooving and profiling.
A: CVD coatings are thicker and adhere better to the carbide substrate under the high-temperature abrasive conditions found in cast iron machining, resulting in significantly longer tool life.
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.