ZCC.CT APKT11T308-PM YBC301 Carbide Insert – 11mm Universal Milling R0.8 Steel
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APKT11T308-PM YBC301 ZCC.CT Milling Insert
High-Speed CVD Precision Solution for ISO P Steel Machining
Product Overview
"Seeking to reduce cycle times while maintaining a superior surface finish in steel components?"
The APKT11T308-PM YBC301 is engineered for performance at higher cutting speeds. While the PM (General Purpose) geometry provides a sharp yet controlled cutting action, the YBC301 Grade sets it apart. This specialized CVD coating features a fine-grained substrate and high-hardness layer, making it significantly more resistant to plastic deformation and crater wear than tougher grades like YBC302. It is the definitive choice for Semi-Finishing to Finishing in stable machining environments.
Model Code Interpretation
90° Parallelogram
11° Clearance Angle
Hole & Chipbreaker
Size (11mm)
Thickness (3.97mm)
Radius (0.8mm)
General Purpose
Product Core Advantages
- High-Speed YBC301 Grade: Excellent red-hardness allows for significantly higher spindle speeds in carbon and alloy steels.
- Superior Surface Finish: PM geometry reduces cutting heat at the tip, ensuring clean finishes.
- Increased Wear Resistance: Thick CVD coating specifically combats crater wear on the rake face.
- Precise 0.8mm Radius: Provides the structural strength needed for consistent performance during long runs.
Application Scenarios
- High-efficiency shoulder milling of pre-hardened steels and alloy steels.
- Finishing operations where dimensional accuracy is critical.
- Best used on CNC milling machines with high rigidity and stability.
- Perfect for industrial batch production aiming for high metal removal rates.
Technical Specifications & Cutting Data
| Metric Model | Inch Equivalent | Cutting Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|---|
| APKT11T308-PM | APKT 0.433" x 0.156" R0.031" | 180 - 320 m/min | 0.10 - 0.28 mm/z |
*Optimized for Steel (P) under stable to high-speed conditions.
Compatibility: Matching Tool Holders
Standard APKT 11-size. Precision fit for ZCC.CT and standard indexable 90° milling cutters:
ZCC Grade Selection Logic
- YBC301 (This Product): The "Speed" choice. Best for finishing and stable high-speed steel cuts.
- YBC302: The "Universal" choice. Better toughness for roughing and interrupted cuts.
- YBG202: The "Precision" choice. Multi-material PVD grade for stainless and finish work.
Why Trust BEYOND / OYYU?
- ✅ 100% Genuine: All ZCC.CT products are factory-direct with verifiable security QR codes.
- ✅ Director's Choice: Technical data and grade applications are vetted for professional B2B standards.
- ✅ Global B2B Supply: Over a decade of experience in providing high-precision CNC solutions worldwide.
Global Verified Feedback
"We switched to YBC301 for our alloy steel finishing. Tool life increased by 20% compared to other standard CVD grades."
J. Henderson - USA"Ottimo per velocità elevate su C45. Superficie lucida e costante."
Paolo V. - Italy"Consistent quality from ZCC. The YBC301 is very predictable at high RPMs. PM geometry is perfect."
Mark D. - UKTechnical FAQ
No. YBC301 is better for high-speed finishing in stable conditions. If you have heavy vibrations or interrupted cuts, YBC302 is the safer choice due to its higher toughness.
While it can work, ZCC.CT's YBD (Black Diamond) series is specifically optimized for Cast Iron. For best results in iron, use YBD152 or YBD252.
CNC Performance Tip:
When utilizing the high-speed capabilities of YBC301, ensure your machine spindle is balanced and your holder runout is minimal. Even minor runout can lead to chipping at higher Vc. For finish milling, try slightly increasing the cutting speed while keeping a steady feed to achieve a mirror-like surface on alloy steels.
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.