Taegutec TCMT16T304MT TT9225 Carbide Insert for CNC Turning (10pcs)
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TaeguTec TCMT16T304MT TT9225
The New Standard in Steel Machining: High Speed Meets Ultimate Stability
Product Overview
"Which insert offers the best balance of tool life and productivity for general-purpose steel turning?"
The TaeguTec TCMT16T304MT TT9225 is a premium 16mm triangular turning insert optimized for Steel (ISO P) applications. The TT9225 grade represents the pinnacle of TaeguTec's CVD coating technology, featuring a high-toughness substrate paired with an advanced alumina coating that provides exceptional resistance to plastic deformation. The MT (Medium Turning) chipbreaker is designed with a balanced geometry that excels in varying depths of cut, ensuring consistent chip breaking and preventing the "bird-nesting" of chips. For CNC workshops demanding a high-conversion tool that reduces downtime across a variety of carbon and alloy steels, the TT9225 is the indispensable choice.
Core Advantages
Superior thermal stability allows for higher cutting speeds (Vc) without compromising the integrity of the cutting edge.
Designed to withstand light interruptions and unstable setups, providing predictable performance in real-world shop conditions.
Reduces friction and cutting force, resulting in lower power consumption and improved surface finish on the workpiece.
Technical Specifications
ISO Model Decoding: TCMT 16T304 MT
Triangle
7° Relief
Tolerance
W/ Hole
16.5mm L
3.97mm T
0.4mm RE
| Standard | Designation | I.C. Size | Thickness |
|---|---|---|---|
| Metric | TCMT 16T304 MT | 9.52 mm | 3.97 mm |
| Imperial | TCMT 32.51 MT | 0.375" | 0.156" |
Recommended Cutting Parameters (TT9225)
| Material Group | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Low Carbon Steel | 220 - 480 | 0.10 - 0.30 |
| Alloy Steel | 180 - 420 | 0.10 - 0.25 |
System Compatibility
Browse TCMT 16 Compatible Holders →Applications & Compatibility
- Industrial Use: Automotive shafts, gear components, and general mechanical parts.
- Primary Materials: P1-P4 Steel groups, including 4140, 1045, and 4340 alloy steels.
- Cutting Depth: Excels in medium turning (MT) but capable of light finishing passes.
- Universal Fit: Standard 16mm triangle size fits all ISO standard tool holders and boring bars.
TaeguTec Grade Comparison
| Grade | Type | ISO Scope | Machining Focus |
|---|---|---|---|
| TT9225 | CVD | Steel (P) | General Purpose / High Reliability |
| TT9215 | CVD | Steel (P) | High Speed / Continuous Cut |
| TT9235 | CVD | Steel (P) | Heavy Interruption / Max Toughness |
Why Choose Us
100% Genuine TaeguTec products delivered with expert technical support. We understand the nuances of CNC machining and provide tooling solutions that prioritize your profit-per-part.
"TT9225 is the perfect 'set it and forget it' grade for our steel production. Very consistent."
— Mark R., USA"The 16mm MT breaker handles chips beautifully in 4140 steel. Exceptional tool life."
— Hans G., Germany"Excellent dimensional stability on my CNC lathe. Top quality TaeguTec."
— Tanaka S., Japan"Fast delivery to Italy. Great performance on medium carbon steels."
— Luca M., Italy"Best price for genuine TaeguTec. This grade is a workhorse in our shop."
— Sarah J., USAFrequently Asked Questions
A: While it can cut stainless steel, it is optimized for ISO P Steel. For ISO M Stainless, we recommend PVD grades like TT9080 for better edge life.
A: The 0.4mm radius allows for sharper cuts with lower vibration, making it ideal for finishing passes and smaller workpiece diameters.
A: Yes, as long as the boring bar is designed for TCMT 16T3 size inserts with a 7-degree relief angle.
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.