ZCC.CT CCMT060204-53 YBC251 Carbide Turning Inserts for Steel
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ZCC.CT CCMT060204-53 YBC251: Premium Steel Turning Carbide Insert
Product Overview
The ZCC.CT CCMT060204-53 YBC251 is the industry standard for steel turning. Featuring the YBC251 grade—a multi-layer CVD coating of TiCN and Al2O3—it provides an exceptional balance of wear resistance and toughness. The 53 chipbreaker is specifically engineered for semi-finishing, utilizing a unique geometry that breaks chips efficiently at medium feed rates, reducing heat buildup and protecting the workpiece surface.
Key Features
- High Wear Resistance: Thick Al2O3 coating ensures stability during high-speed continuous cutting.
- Optimal Toughness: Specialized substrate designed to handle slight interruptions in steel machining.
- Superior Chip Control: The 53-type geometry prevents chip entanglement and enhances surface finish.
- Extended Tool Life: Advanced CVD coating technology significantly reduces crater wear.
Technical Specifications
ISO Designation Decoding
80° Diamond
7° Relief
Tolerance
With Hole
6.35mm Edge
2.38mm Thick
0.4mm Rad
Chipbreaker
| Measurement | Metric Model (ISO) | Imperial Model (ANSI) |
|---|---|---|
| Specification | CCMT060204-53 | CCMT 21.51-53 |
Recommended Cutting Parameters
| Material Group | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Carbon/Alloy Steel (P) | 180 - 350 m/min | 0.10 - 0.30 mm/r |
Compatible Tool Holders:
Applications
This "industrial-grade" insert is ideal for CNC lathe operations involving:
Compatibility
Universal fit for all standard ISO-compliant tool holders using CCMT 0602 (Metric) or CCMT 21.5 (Imperial) seating. Suitable for Fanuc, Siemens, Haas, and other CNC control systems.
ZCC.CT Grade Comparison for Steel Machining
| Grade | Coating | Best For |
|---|---|---|
| YBC151 | CVD | Finishing / High Speed |
| YBC251 | CVD | Semi-Finishing (Universal) |
| YBC351 | CVD | Roughing / Interrupted Cut |
Why Choose Us
"Excellent Surface Finish"
"Used these for 4140 alloy steel. The finish was like a mirror. YBC251 is very consistent."
— Mark T., USA
"Stabilste Standzeit"
"Gute Standzeit bei der Serienfertigung. Wir nutzen ZCC.CT seit Jahren."
— Hans W., Germany
"Versatile"
"Ottimo rapporto qualità prezzo per la lavorazione dell'acciaio."
— Luca R., Italy
FAQ
Q: Can YBC251 handle stainless steel?
A: While optimized for steel (P), YBC251 can handle limited stainless steel (M) tasks, but for heavy stainless work, we recommend the YBM series.
Q: Is the 53 chipbreaker for roughing?
A: The 53 chipbreaker is a versatile semi-finishing geometry. It provides excellent control across a wide range of feed rates.
Q: What is the benefit of the Al2O3 coating?
A: It provides high thermal stability, allowing the insert to maintain hardness at high cutting temperatures.
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.