ZCC.CT APKT160408-PM YBC302 Milling Inserts for Steel Machining
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ZCC.CT APKT160408-PM YBC302 Inserts
Advanced CVD Coated Carbide for High-Stability Steel Milling
Product Overview
"Which milling insert is best for high-productivity medium machining in steel where both wear resistance and edge toughness are required?"
The ZCC.CT APKT160408-PM YBC301 is a high-performance milling solution designed for P-class steel materials. Utilizing a thick CVD Al2O3 + TiCN coating, this grade provides a massive thermal barrier for stable cutting at high temperatures. The PM (Medium-Duty) chipbreaker features a balanced geometry that provides enough sharpness for smooth chip evacuation while maintaining a reinforced edge to handle the impact of interrupted cuts in alloy steels.
Key Features
- ✔ Thick CVD Coating: Superior resistance to crater wear and thermal deformation during high-speed milling.
- ✔ PM Chipbreaker Geometry: Designed for medium machining, offering a wide range of feed rates and cutting depths.
- ✔ 90° Precision: Optimized for square shoulder milling with high vertical accuracy.
Technical Specifications
85° Parallelogram
11° Relief Angle
ISO Tolerance
Screw Clamp
16mm Edge
4.76mm Thick
0.8mm Radius
Medium Machining
| ISO Parameter | Metric (mm) | Imperial (inch) |
|---|---|---|
| Cutting Edge (L) | 16.5 mm | 0.650" |
| Thickness (S) | 4.76 mm | 3/16" |
| Corner Radius (r) | 0.8 mm | 0.031" |
Recommended Cutting Parameters (YBC302)
| Workpiece Material | Speed (Vc) | Feed (fz) |
|---|---|---|
| Low Carbon Steel | 220 - 400 m/min | 0.12 - 0.28 mm/z |
| Alloy Steel (P) | 160 - 320 m/min | 0.10 - 0.25 mm/z |
Compatible Toolholders: EMP01 / EMP02 Series
Fits original ZCC.CT 90° square shoulder end mills and face mills.
Shop ZCC.CT Toolholders →Common Applications
- Square Shoulder & Face Milling
- High-Speed Continuous Cutting in Steel
- Medium-Duty Milling of Carbon/Alloy Steels
- General CNC Machining for Industry Components
Compatibility
Optimized for use on CNC Vertical Machining Centers (VMC) and horizontal mills. Compatible with all standard APKT1604 pocket profiles.
ZCC.CT Grade Material Comparison
YBC302 vs. YBG302: YBC302 (CVD) is specifically built for high-speed, continuous milling in steel where heat and cratering are the main concerns. YBG302 (PVD) is more versatile for stainless steel and interrupted cuts. For pure high-velocity steel milling, YBC302 offers significantly better tool life and thermal stability.
Customer Success Stories
"Switched to YBC302 for our mass production steel line. Cycle times are shorter and tool wear is very predictable."
— Robert B., USA"Hervorragende Leistung in C45-Stahl. Sehr stabil bei hohen Vorschüben."
— Hans W., Germany"Great value. Replaced our more expensive Japanese inserts with no loss in quality."
— Paolo G., Italy"Consistent ZCC quality. The PM chipbreaker is a real workhorse for our daily operations."
— Sato M., JapanFrequently Asked Questions
Is YBC302 better for dry or wet milling?
CVD coatings like YBC302 excel in high-speed dry milling due to their thick Al2O3 thermal barrier. However, wet milling is acceptable for stable, continuous cuts.
What is the recommended depth of cut for PM chipbreakers?
The PM geometry is optimized for medium machining. For the APKT1604, a depth of cut (Ap) between 1.0mm and 6.0mm is ideal for chip control.
Material Pro Tip: High-Velocity Advantage
To get the most out of APKT160408-PM YBC302, maintain a high cutting speed (Vc). The CVD coating requires heat to activate its full lubricity and wear resistance. Slow cutting speeds may cause the coating to micro-chip unnecessarily.
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.