ZCC.CT TCMT16T308-52 YBC251 Carbide Turning Inserts for Steel Machining
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ZCC.CT TCMT16T308-52 YBC251 Turning Insert
The Industrial Choice for High-Performance Steel Semi-Finishing
Product Overview
"Which carbide insert is best for general-purpose steel turning with high wear resistance and excellent chip control at 0.8mm radius?"
The ZCC.CT TCMT16T308-52 YBC251 is a high-toughness triangular turning insert specifically engineered for ISO P (Steel) applications. Featuring the advanced YBC251 grade with a thick TiCN and Al2O3 CVD coating, it provides an exceptional balance of wear resistance and edge strength. The -52 chipbreaker is designed for semi-finishing to light roughing, offering stable chip control even in fluctuating cutting depths.
Core Industrial Advantages
Technical Specifications
ISO Designation Decoding
Triangular
7° Relief
Tolerance
Hole/Feature
16mm Edge
3.97mm Thk
0.8mm Rad
Semi-Finish
| Standard | Model Number | Size Reference |
|---|---|---|
| Metric (ISO) | TCMT 16T308-52 | 16.5mm Edge / 3.97mm Thk |
| Imperial (ANSI) | TCMT 32.52-52 | 3/8" I.C. / 1/8" Thk |
Recommended Cutting Parameters
| Workpiece Material | Speed (Vc m/min) | Feed (f mm/rev) |
|---|---|---|
| Carbon Steel | 180 - 350 | 0.12 - 0.40 |
| Alloy Steel | 150 - 300 | 0.10 - 0.35 |
Compatible Tool Holders:
Applications
- General Engineering: Perfect for 45# steel and structural steel turning.
- Semi-Finishing: Excellent for removing stock while maintaining 1.6-3.2 Ra surface finish.
- Medium Machining: Suitable for depths of cut (Ap) between 0.5mm and 3.0mm.
Device Compatibility
Compatible with all major CNC turning centers (Mazak, Haas, Okuma) and manual lathes using standard ISO tool pockets. Fits TCMT 16 (TCMT 32.5) size inserts.
ZCC.CT Steel Grade Matrix
| Grade | Coating | Application |
|---|---|---|
| YBC151 | CVD | Finishing / High Speed |
| YBC251 (Current) | CVD | Versatile / Semi-Finish |
| YBC351 | CVD | Roughing / Interrupted Cut |
Customer Reviews & Feedback
"Unbeatable Versatility"
I use YBC251 for 80% of my steel jobs. The tool life is very consistent across various carbon steels.
— Robert T., USA 🇺🇸"Top-Klasse Qualität"
Sehr gute Spanabfuhr mit dem -52 Spanbrecher. Standzeit ist vergleichbar mit teureren Marken.
— Hans W., Germany 🇩🇪"Affidabile e Robusto"
Ottimo per lavorazioni semi-pesanti. La geometria -52 aiuta molto a rompere i trucioli lunghi.
— Marco L., Italy 🇮🇹Professional FAQ
Q: Is this insert suitable for dry cutting?
A: Yes, the YBC251 CVD coating provides excellent thermal stability for dry cutting, though coolant will further extend life in high-speed applications.
Q: Can I machine stainless steel with this grade?
A: YBC251 is optimized for steel. For stainless steel, we recommend ZCC.CT's YBM251 or YBM151 series for best performance.
Q: Why choose the 0.8mm radius (308) over 0.4mm?
A: The 0.8mm radius offers higher edge strength and better surface finish at higher feed rates, making it ideal for semi-finishing operations.
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.