TaeguTec CNMG190612RT TT5100 | Heavy-Duty Cast Iron Turning Insert
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TaeguTec CNMG190612RT TT5100
Master of Heavy Cast Iron: Large-Format CVD Grade for Aggressive Roughing
Product Overview
"Which extra-large insert is most capable of high-speed roughing in abrasive gray iron without suffering from premature flank wear?"
The TaeguTec CNMG190612RT TT5100 is an industrial-strength solution purpose-built for ISO K (Cast Iron). Utilizing the advanced TT5100 CVD coating, this insert features a thick, heat-resistant alumina layer that thrives in the abrasive environment of gray and nodular iron. The RT (Roughing-Tough) chipbreaker is specifically engineered with a reinforced land and high-stability geometry, making it the premier choice for large-scale roughing where productivity and edge reliability are paramount.
Key Features
Thick-layered coating technology provides maximum abrasive wear resistance for gray iron turning at extreme speeds.
A reinforced edge design that withstands the mechanical shocks of rough surfaces and heavy interruptions in large castings.
The 19.05mm IC size offers superior heat dissipation and mechanical strength for high-torque CNC lathe operations.
Technical Specifications
ISO Code Decoding: CNMG190612RT
80° Rhom
0° Relief
Tolerance
Hole/Sint
19.05mm IC
6.35mm S
1.2mm RE
Roughing
| Unit System | Designation | I.C. Dimension | Thickness (S) |
|---|---|---|---|
| Metric (ISO) | CNMG190612RT | 19.05 mm | 6.35 mm |
| Imperial (ANSI) | CNMG643RT | 0.750" | 0.250" |
Recommended Cutting Parameters (ISO K)
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Gray Iron (GG25) | 220 - 450 m/min | 0.30 - 0.70 mm/rev |
| Ductile Iron (GGG50) | 150 - 350 m/min | 0.25 - 0.60 mm/rev |
Compatible Heavy-Duty Toolholders
This massive 19.05mm IC insert requires high-rigidity external holders such as DCLNR/L 19, PCLNR/L 19, or MCLNR/L 19 series for maximum stability.
Product Applications
- Heavy roughing of large-diameter automotive engine components.
- Machining of heavy industrial pump housings and large valves.
- First-stage turning of nodular iron castings for mining and agricultural equipment.
- High-torque removal on large scale gray iron flywheels and rotors.
TaeguTec Grade Comparison (Cast Iron Focus)
| Grade Name | Main Benefit | Best Use Case |
|---|---|---|
| TT5100 (CVD) | Extreme Wear Resist | High Speed: Gray Iron continuous roughing. |
| TT5080 (PVD) | High Impact Toughness | Heavy Interruptions: Low speeds, rough surfaces. |
Why Choose TaeguTec?
A flagship brand within the global IMC Group, TaeguTec is the gold standard for metallurgy and coating innovation. The TT5100 grade is the culmination of decades of research into high-velocity abrasive wear patterns. By selecting the CNMG190612RT, you are opting for a tool that survives where others fail. Our focus on coating thickness and substrate integrity ensures your large-format CNC operations run with maximum uptime and predictable tool life.
Verified Global Feedback
"Gray Iron Monster"
Roughing huge gray iron housings used to kill our tools in minutes. The TT5100 grade at high Vc speeds is unbeatable.
— Heavy Industrial Works (USA)"Stable on Ductile"
Outstanding performance on ductile iron gear boxes. The RT geometry keeps the cut stable even when the surface scale is heavy.
— Machinery Fabrik GmbH (Germany)"Consistent Quality"
Very predictable wear life on long runs. Makes our production planning much easier in a high-volume shop.
— Precision Foundry (Japan)Frequently Asked Questions
1. Is dry or wet machining better for TT5100?
Cast iron is traditionally machined dry to prevent thermal shock and dust slurry. TT5100 is specifically designed to excel in high-heat dry environments.
2. How does the RT breaker handle interruptions?
The RT (Roughing-Tough) breaker features a specialized T-land that reinforces the cutting edge against the mechanical shocks of scale and interrupted cuts.
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.