ZCC.CT CCMT120408-HR YBC151 Carbide Turning Inserts for Steel Machining
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ZCC.CT CCMT120408-HR YBC151: High-Speed Steel Turning Inserts
Product Overview
"Which insert is best for high-speed finishing of carbon steel while maintaining edge strength for light roughing?"
The ZCC.CT CCMT120408-HR YBC151 is a specialized turning insert designed for maximum efficiency in steel (P-group) applications. The YBC151 grade features a thick Al2O3 and TiCN CVD coating, providing extreme hardness and wear resistance during high-speed continuous cutting. Equipped with the HR chipbreaker, this insert offers a reinforced cutting edge that excels in heavy-duty stock removal and stable roughing, ensuring consistent surface quality and long tool life in demanding CNC environments.
Key Features
- Premium YBC151 Grade: Specifically optimized for high-speed finishing and semi-finishing of all steel types.
- HR Heavy-Duty Geometry: Features a high-strength cutting edge to withstand high impact and prevent chipping during roughing.
- Advanced CVD Multi-Layer Coating: Excellent thermal barrier properties and oxidation resistance at high temperatures.
- Stable Chip Control: The HR geometry ensures reliable chip evacuation even at higher feed rates and larger depths of cut.
Technical Specifications
ISO Model Breakdown (CCMT 120408-HR)
80° Diamond
7° Relief
Tolerance
Hole/Chipbreak
12.9mm Edge
4.76mm Thick
0.8mm Radius
Heavy Rough
| Metric Model | ANSI/Imperial Equivalent |
|---|---|
| CCMT120408-HR | CCMT 432-HR |
Recommended Cutting Data
| Workpiece Material | Cutting Speed (Vc) | Feed rate (fn) |
|---|---|---|
| Carbon Steel (P) | 220 - 450 m/min | 0.20 - 0.50 mm/rev |
| Alloy Steel | 180 - 350 m/min | 0.15 - 0.40 mm/rev |
Compatibility & Mounting
Designed for External and Internal Applications:
Perfectly fits all standard S-Type screw-down tool holders.
Applications
This insert is the industrial choice for Roughing and Semi-Finishing of steel parts in:
ZCC.CT Grade Quick Guide (Steel Turning)
| Grade | Condition | Primary Feature |
|---|---|---|
| YBC151 | High Speed / Continuous | Extreme Wear Resistance |
| YBC251 | General Purpose / Universal | Balanced Performance |
Global Customer Feedback
"Excellent Finishing Quality"
"Used YBC151 for high-speed finishing on 4140 steel. The finish is fantastic and the tool life is predictable."
— Robert M., USA
"Top Tier Performance"
"Consistent batch after batch. The HR chipbreaker handles roughing much better than standard geometries."
— Lukas H., Germany
"Reliable and Durable"
"Good value for the price. Performs well in our CNC lathe for automotive parts in Japan."
— Takashi Y., Japan
"Strong Cutting Edge"
"Surprised by the toughness of the HR geometry. Handled light interrupted cuts with no chipping."
— Gianni R., Italy
Frequently Asked Questions
Q: Is YBC151 suitable for stainless steel?
A: YBC151 is primarily optimized for Steel (P group). For Stainless Steel (M group), we recommend using YBM151 or YBM251 grades.
Q: When should I choose HR over HM chipbreaker?
A: Choose HR for roughing with larger depths of cut and high feed rates. Use HM for general-purpose medium machining with smaller cutting depths.
Q: Can these be used on internal boring bars?
A: Yes, as long as the boring bar is designed for CCMT 1204 inserts (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.