Taegutec TCMT110208MT TT8020 Carbide Insert for CNC Turning (10pcs)
Price shown is a starting point. Contact us for a precise quote based on your requirements.
TaeguTec TCMT110208MT TT8020
Engineered for Toughness: Maximum Edge Strength for Stainless Steel and Interrupted Cuts
Product Overview
"Increase your feed rates in difficult materials with the reinforced 0.8mm corner and the impact-resistant TT8020 substrate."
The TaeguTec TCMT110208MT TT8020 is a versatile 11mm triangular turning insert optimized for Stainless Steel (ISO M) and Low-Carbon Steels. This configuration is specifically designed for machinists who need more durability than a standard finishing insert. The 0.8mm corner radius significantly strengthens the cutting edge, making it highly resistant to chipping during interrupted cuts or when machining parts with scale. The TT8020 PVD-coated grade provides excellent resistance to built-up edge (BUE) and thermal shock, ensuring reliable performance in both wet and dry machining environments. Featuring the MT (Medium Turning) chipbreaker, this insert maintains superior chip control even at varying depths of cut.
Core Advantages
A sub-micron PVD grade that excels in toughness, preventing premature breakage in unstable setups or heavy interruptions.
The larger radius allows for higher feed rates (fn) and provides a more robust edge for machining tougher alloy and stainless steels.
Designed with a positive rake angle to reduce cutting forces and minimize work-hardening of the stainless steel workpiece surface.
Technical Specifications
ISO Designation Decoding: TCMT 110208 MT
Triangle
7° Relief
Tol. Class M
W/ Hole
11.0mm L
2.38mm T
0.8mm RE
| Standard | Model | Side Length (L) | Thickness (S) |
|---|---|---|---|
| Metric | TCMT 110208 MT | 11.00 mm | 2.38 mm |
| Imperial | TCMT 21.52 MT | 0.433" | 0.094" |
Recommended Cutting Parameters (TT8020)
| Material Group | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Stainless Steel (M) | 80 - 180 | 0.15 - 0.35 |
| Low Carbon / Steel (P) | 120 - 240 | 0.15 - 0.30 |
Compatible Tool Holders
This insert is precision-matched for TCMT 11 size external tool holders and internal boring bars.
Industrial Applications
- Medium turning of stainless steel valve bodies and fittings.
- Internal boring of austenitic stainless pipes where vibration is an issue.
- Machining of alloy steel components with significant cross-holes or interruptions.
- Universal steel and stainless turning in shops with a wide variety of materials.
Grade Performance Comparison
Selected here. Sub-micron PVD grade for maximum reliability in stainless steel and interrupted cuts.
The choice for high-speed stainless steel turning in stable, continuous cutting conditions.
Frequently Asked Questions
1. Should I use the 0.8mm radius instead of the 0.4mm?
Choose the 0.8mm radius (this model) if you are experiencing edge chipping or if you want to increase your feed rates. Use the 0.4mm radius for very fine finishing or if the part is thin-walled and prone to vibration.
2. How does TT8020 handle work-hardening?
TT8020 is engineered with a sharp, positive MT geometry. This allows the tool to slice through the material rather than rubbing it, which is the primary cause of work-hardening in stainless steel.
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.