Taegutec TCMT110204MT TT8125 Carbide Insert for CNC Turning (10pcs)
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TaeguTec TCMT110204MT TT8125
Engineered for Steel Excellence: High-Speed Versatility and Precision Finishing in an 11mm Format
Product Overview
"Expand your turning capabilities with the 11mm MT geometry—the ideal balance between cutting force reduction and edge stability."
The TaeguTec TCMT110204MT TT8125 is an 11mm triangular turning insert designed for maximum performance in Steel (ISO P). The TT8125 grade is a premium PVD-coated carbide specifically developed for high-productivity turning, offering superior resistance to thermal shock and crater wear. The MT chipbreaker (Medium Turning) features a positive rake angle and an optimized land area that ensures exceptional chip breaking across a wide range of feed rates. With its 0.4mm corner radius, this insert is a top choice for finishing operations and small-to-medium diameter turning where precision and surface quality are critical.
Core Advantages
Advanced multi-layered PVD coating allows for higher cutting speeds (Vc) without sacrificing tool life, even in abrasive alloy steels.
Prevents long, stringy chips in low-carbon steel finishing while maintaining edge strength for medium-duty stock removal.
The TCMT 11 size provides more contact area and structural integrity than smaller variants, reducing chatter in deeper cuts.
Technical Specifications
ISO Designation Decoding: TCMT 110204 MT
Triangle
7° Relief
Tol. Class M
W/ Hole
11.0mm L
2.38mm T
0.4mm RE
| Standard | Model | Side Length (L) | Thickness (S) |
|---|---|---|---|
| Metric | TCMT 110204 MT | 11.00 mm | 2.38 mm |
| Imperial | TCMT 21.51 MT | 0.433" | 0.094" |
Recommended Cutting Parameters (TT8125)
| Material Group | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Carbon Steel (P) | 180 - 350 | 0.08 - 0.20 |
| Alloy Steel / Hardened Steel | 120 - 260 | 0.06 - 0.16 |
Compatible Tool Holders
This insert is precision-matched for TCMT 11 size external tool holders and internal boring bars.
Industrial Applications
- High-speed finishing of carbon steel automotive shafts.
- Precision boring in medium-diameter alloy steel cylinders.
- General turning in small engine components and mechanical fittings.
- Machining of structural steel where dimensional stability and surface finish are priorities.
The TT8125 Advantage
Selected here. A specialized PVD grade for ISO P materials. Offers a harder surface than TT9080 for better wear resistance in steel.
The alternative for unstable setups or interrupted cuts where tool breakage is a primary concern.
Frequently Asked Questions
1. Is the TCMT 11 size stronger than the TCMT 09?
Yes. The larger 11mm side length provides more bulk carbide behind the cutting edge, which allows for slightly heavier depths of cut and better heat dissipation than the 09 size.
2. How does the MT chipbreaker compare to the FG?
The MT is a versatile medium-turning geometry. While the FG is purely for finishing, the MT handles both finishing and medium stock removal, providing a wider application range for high-mix production.
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.