ZCC.CT RCMT1204MO YBC151 Round Carbide Turning and Milling Inserts
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ZCC.CT RCMT1204MO YBC151 Finishing Insert
High-Speed Precision and Superior Surface Finish for Steel
Product Overview
The ZCC.CT RCMT1204MO in YBC151 grade is a specialized 12mm round insert designed for high-efficiency finishing and semi-finishing. Unlike tougher roughing grades, the YBC151 features a thick CVD Al2O3 coating specifically balanced for ISO P10-P20 applications. This means it can withstand the extreme heat of high cutting speeds while maintaining a sharp edge to prevent work hardening. The round geometry offers maximum edge strength and versatility for profiling, making it the go-to choice for complex molds and high-precision shaft turning.
Key Core Advantages
- ★ High-Speed Stability: Engineered for Vc speeds up to 350 m/min in stable steel conditions.
- ★ Superior Wear Resistance: The multi-layer CVD coating drastically reduces crater wear during continuous finishing.
- ★ Versatile Profiling: Round shape allows for multi-directional cutting and excellent chip control in profiling.
Technical Specifications
Model Decoding: RCMT1204MO
Round
7° Relief
Tolerance
Hole
12mm Dia
4.76mm T
Finishing
| Metric Model | Imperial Equivalent |
|---|---|
| RCMT1204MO | RCMT 43 (0.472") |
Recommended Cutting Parameters
| Material | Vc (m/min) | fz (mm/z) |
|---|---|---|
| Carbon Steel | 200 - 350 | 0.10 - 0.35 |
| Alloy Steel | 150 - 300 | 0.08 - 0.25 |
Compatible Tooling:
Use with SRDPN / SRGCR Turning Holders or SSR Milling Cutters
Shop RCMT12 Holders →Main Applications
- High-speed profiling of carbon & alloy steel.
- Finishing cuts for crankshafts and axles.
- Copy milling for complex 3D mold cavities.
- Precision turning where surface Ra < 1.6 is required.
Compatibility
- Modern CNC turning centers (High RPM).
- Rigid Milling/Turning Centers.
- Standard 12mm round insert pocket tools.
ZCC.CT Grade Toughness Matrix
| Grade | Primary Application | Speed vs Toughness |
|---|---|---|
| YBC151 (This) | High Speed / Finishing | Speed: ★★★★★ | Toughness: ★★☆☆☆ |
| YBC252 | General Purpose / Semi-Roughing | Speed: ★★★☆☆ | Toughness: ★★★★☆ |
Voice of the Professional
"YBC151 is our standard for steel shaft finishing. We doubled our cutting speed compared to the generic grade we used before."
— David S., USA 🇺🇸"Ottima qualità superficiale. Per la finitura su acciaio legato è imbattibile."
— Paolo R., Italy 🇮🇹"Sehr gute Standzeit bei hohen Schnittgeschwindigkeiten. Empfehlenswert!"
— Markus K., Germany 🇩🇪"The MO chipbreaker works great for chip control in finishing. Very clean finish."
— Kenji T., Japan 🇯🇵FAQ
Q: Can I use YBC151 for interrupted cuts?
A: We do not recommend it. YBC151 is a high-hardness finishing grade. For interrupted cuts, we suggest YBC252 or YBC352 for higher toughness.
Q: Is this insert compatible with standard holders?
A: Yes, it fits any tool holder designed for ISO RCMT1204 specifications.
Q: What is the "MO" chipbreaker best for?
A: The MO geometry is optimized for medium-to-finishing cuts, providing excellent surface quality and stable chip evacuation at lower feed rates.
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.