ZCC.CT CNMG120404 YBC151 CVD Coated Carbide Turning Inserts for Steel
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ZCC.CT CNMG120404 YBC151: High-Speed Precision Turning Inserts for Steel
Product Overview
"Which insert is the most reliable for high-speed finishing and semi-finishing of carbon and alloy steels?"
The ZCC.CT CNMG120404 YBC151 is a premier choice for high-efficiency steel turning. Engineered with the YBC151 grade, it features a thick Al2O3 and TiCN CVD coating on a high-strength substrate. This combination provides exceptional wear resistance and edge stability at high cutting temperatures. The 80-degree diamond shape, combined with precision-engineered chipbreakers, ensures tight chip control and a superior surface finish in P-group materials.
Key Features
- Advanced YBC151 CVD Coating: Thick Al2O3 layer offers enhanced thermal barriers for high-speed continuous cutting.
- Excellent Wear Resistance: Specifically optimized for finishing to semi-finishing, maintaining dimensional accuracy over long runs.
- Optimized Chip Control: Designed to break chips effectively at small depths of cut, preventing "bird-nesting" on the workpiece.
- High Precision Edge: The 0.4mm (0.015") nose radius provides the fine finish required for tight-tolerance industrial components.
Technical Specifications
ISO Model Breakdown (CNMG 120404)
80° Diamond
0° Clearance
Tolerance
Hole/Chipbreak
12.9mm Edge
4.76mm Thick
0.4mm Radius
| Metric Model | ANSI/Imperial Equivalent |
|---|---|
| CNMG120404 | CNMG 431 |
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed rate (fn) |
|---|---|---|
| Carbon Steel (P) | 220 - 450 m/min | 0.10 - 0.30 mm/rev |
| Alloy Steel | 180 - 380 m/min | 0.08 - 0.25 mm/rev |
Tool Compatibility
Matching External/Internal Holders:
Compatible with standard D-Type / M-Type / P-Type clamping systems.
Common Applications
This insert is the industry standard for High-Speed Finishing of steel parts in:
ZCC.CT Grade Quick Guide (Steel Turning)
| Grade | Application | Coating |
|---|---|---|
| YBC151 | Finishing / High Speed | CVD (TiCN + Al2O3 + TiN) |
| YBC251 | General Purpose / Semi-Finishing | CVD (Balanced) |
Why Choose ZCC.CT Tools?
"Excellent Surface Finish"
"I use YBC151 for final passes on 4140 steel. The finish is mirror-like and tool life is very consistent across batches."
— Robert M., USA
"Great High-Speed Stability"
"Reliable at high Vc. We increased our production speed by 20% compared to our previous inserts."
— Dieter H., Germany
"Best Value for Steel"
"Superior performance-to-price ratio. Perfect for our automated production line in Japan."
— Satoshi K., Japan
Frequently Asked Questions
Q: Can YBC151 be used for interrupted cuts?
A: YBC151 is optimized for high-speed finishing in stable conditions. For heavy interrupted cuts, we recommend using YBC252 or YBC351 grades for better toughness.
Q: What is the benefit of the 04 (0.4mm) radius?
A: A 0.4mm radius minimizes cutting forces and vibration, making it ideal for thin-walled parts or achieving a finer surface finish than the standard 0.8mm radius.
Q: Does this insert require specific coolant?
A: Standard flood coolant is recommended to manage heat during high-speed turning, though the CVD coating can handle high temperatures effectively.
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.