ZCC.CT TCMT110208-52 YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT TCMT110208-52 YBM251 Precision Insert
Mastering Stainless Steel with Advanced CVD Coating Technology
Product Overview
"Which carbide insert is best for finishing stainless steel while preventing notch wear and built-up edge?"
The ZCC.CT TCMT110208-52 YBM251 is a high-performance triangular turning insert specifically engineered for ISO M (Stainless Steel) applications. By utilizing the YBM251 grade—a specialized CVD coating with a sub-micron grain substrate—this insert excels in heat dissipation and edge toughness. The -52 chipbreaker is designed for high-precision finishing and semi-finishing, ensuring excellent chip breaking even in gummy materials like 304 or 316 stainless steel.
Key Technical Advantages
Technical Specifications
Triangular
7° Relief
Tolerance
Hole/Slot
11mm Edge
2.38mm Thk
0.8mm Rad
| Dimension Type | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Model Number | TCMT110208 | TCMT21.52 |
Recommended Cutting Parameters
| Workpiece Material | Speed (Vc m/min) | Feed (f mm/rev) |
|---|---|---|
| Austenitic (304/316) | 150 - 240 | 0.10 - 0.25 |
| Martensitic/Ferritic | 160 - 280 | 0.08 - 0.30 |
Matches Tool Holders (STGC Series):
Applications
- Internal Boring: Excellent clearance for small diameter holes.
- Stainless Turning: Primary choice for pumps, valves, and fasteners.
- Condition: Suitable for continuous and light interrupted cuts.
Compatibility
Fits all standard CNC Lathes and manual lathes utilizing indexable tool holders. Optimized for rigid setups to maximize the benefits of the YBM251 coating.
ZCC.CT Grade Matrix (Stainless Steel)
| Grade | Machining Type | Stability |
|---|---|---|
| YBM251 (Target) | Finishing / Semi-Roughing | Balanced Toughness |
| YBM151 | High Speed Finishing | High Hardness |
Verified Machinists' Feedback
"The best for 316 SS"
Running these on internal threads and boring for 316 stainless. Incredible chip control. No more bird nests.
— Robert K., USA 🇺🇸"Ottima qualità"
Durata del tagliente superiore rispetto alla concorrenza su acciaio inox.
— Giuseppe L., Italy 🇮🇹"Cost-effective Precision"
Using for medical valve parts. Surface finish is perfect. Highly recommended.
— Hans W., Germany 🇩🇪Product FAQ
Q: Is TCMT110208-52 suitable for interrupted cuts?
A: Yes, the YBM251 grade is designed with high impact toughness specifically to handle light to medium interruptions in stainless steel.
Q: Why use the -52 chipbreaker?
A: The -52 geometry is optimized for finishing. It has a sharp edge and specific land width that breaks chips easily at lower feed rates and depths of cut.
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.