ZCC.CT RDKW1605MO YBG212 Round Carbide Milling Inserts for Hardened Steel
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ZCC.CT RDKW1605MO YBG212 Round Milling Insert
The Industrial Standard for Profiling Hardened Steel & Cast Iron
Product Overview
The ZCC.CT RDKW1605MO in the YBG212 grade is a powerhouse for modern CNC milling. Specifically designed for ISO P (Steel) and ISO K (Cast Iron), this 16mm round insert features the advanced YBG212 PVD coating. This coating is a multi-layer TiAlN solution that offers exceptional thermal stability and surface hardness. The MO chipbreaker geometry is engineered for medium-range milling, providing a reinforced edge that prevents micro-chipping in tougher, hardened materials. Its round geometry allows for maximum metal removal rates (MRR) through the chip-thinning effect.
Key Core Advantages
- ▶ Nano-PVD YBG212 Grade: Excellent resistance to thermal shock and mechanical impact, ideal for dry milling.
- ▶ High-Feed Efficiency: The round profile enables significantly higher feed rates compared to square inserts.
- ▶ Versatile Profiling: Perfect for 3D copy milling, plunging, and complex mold and die surfaces.
Technical Specifications
Decoding the Model: RDKW1605MO
Round
15° Relief
Tolerance
Hole Type
16mm IC
5.56mm T
Medium
| Feature | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Model Number | RDKW1605MO | RDKW 54-MO |
| Diameter (IC) | 16.0 mm | 0.629 in |
Recommended Cutting Data (YBG212)
| Workpiece Material | Vc (m/min) | fz (mm/tooth) |
|---|---|---|
| Medium Carbon Steel | 150 - 260 | 0.15 - 0.45 |
| Hardened Steel (< 45HRC) | 80 - 160 | 0.12 - 0.35 |
Compatible Milling Holders:
Fits RDK 16mm Series Face Mills and Copy End Mills
Shop Matching 16mm Holders →Main Applications
- Profiling and pocketing in mold and die manufacturing.
- Heavy-duty face milling of alloy steels and cast irons.
- Plunge milling for efficient cavity removal.
- Roughing and semi-finishing of high-tensile components.
Material Compatibility
- Primary: Steel (P10-P30), Hardened Steel (H).
- Secondary: Cast Iron (K10-K25).
- Coating: PVD TiAlN for superior heat dissipation.
ZCC.CT Milling Grade Comparison
| Grade | Coating | Performance Profile |
|---|---|---|
| YBG212 (This) | Nano-PVD | Heat resistant / Hard steel specialist |
| YBG202 | PVD TiAlN | Universal steel and stainless steel |
Real Machinist Reviews
"YBG212 is a beast on hardened D2 tool steel. The round inserts last 30% longer than my previous brand."
— James W., USA 🇺🇸"Sehr gute Qualität. Wir nutzen diese für die Bearbeitung von Gussformen. Standzeit ist top."
— Müller T., Germany 🇩🇪"Incredible surface finish on cast iron. The MO chipbreaker handles heat very well."
— Sato M., Japan 🇯🇵"Ottimo rapporto qualità-prezzo. Ideale per sgrossatura di precisione."
— Andrea L., Italy 🇮🇹Expert FAQ
Q: Can I use YBG212 for wet milling?
A: While it can be used with coolant, YBG212 is highly optimized for dry milling or air-blast cooling due to its superior thermal shock resistance.
Q: Is RDKW1605MO compatible with high-feed milling?
A: Yes. Round inserts naturally support high-feed rates because the chip thinning effect allows you to increase feed per tooth as depth of cut decreases.
Q: What is the maximum hardness YBG212 can handle?
A: It performs excellently on steels up to 50-55 HRC. For materials above 60 HRC, we recommend specialized CBN or ceramics.
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.