ZCC.CT APKT160408-PM YBG302 Carbide Milling Inserts for Steel & Stainless
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ZCC.CT APKT160408-PM YBG302 Inserts
High-Toughness PVD Nano-TiAlN Grade for Demanding Interrupted Cuts
Product Overview
"Which milling insert is the most reliable for general-purpose machining where I encounter both steel and stainless steel with heavy interrupted cuts?"
The ZCC.CT APKT160408-PM YBG302 is the industrial "troubleshooter" for milling operations. Featuring the robust YBG302 PVD Nano-TiAlN coating combined with a high-toughness carbide substrate, this insert excels where others fail—specifically in unstable conditions or interrupted milling. The PM (Medium-Duty) chipbreaker is designed with a stable land and optimized rake angle to manage chip flow effectively while protecting the cutting edge from sudden impact and thermal fatigue.
Key Features
- ✔ Enhanced Toughness: Specialized substrate designed to prevent catastrophic fracture during impact.
- ✔ PVD Nano-TiAlN Coating: Provides a perfect balance of hardness and thermal stability for M and P group materials.
- ✔ PM Stability Geometry: Reinforced edge treatment that minimizes micro-chipping in unstable setups.
Technical Specifications
Parallelogram
11° Relief
ISO Tolerance
Screw Clamp
16mm Edge
4.76mm Thick
0.8mm Radius
Medium Cut
| 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 (YBG302)
| Material Group | Speed (Vc) | Feed (fz) |
|---|---|---|
| Carbon/Alloy Steel (P) | 150 - 240 m/min | 0.12 - 0.28 mm/z |
| Stainless Steel (M) | 120 - 210 m/min | 0.10 - 0.22 mm/z |
Compatible Toolholders: EMP01 / EMP02 / BAP400R Series
Fits standard 90° square shoulder end mills and face mills using APKT1604 pockets.
Shop Toolholders →Common Applications
- Square Shoulder & Heavy Slotting
- Interrupted Cuts in Weldments/Castings
- Mixed Production (Steel & Stainless)
- Roughing to Semi-Finishing in Unstable Setups
Compatibility
Standard ISO APKT 1604 fitment. Optimized for CNC machines with medium-to-high spindle torque where reliability is prioritized over pure speed.
ZCC.CT Grade Material Comparison
YBG302 vs. YBG202: YBG202 is a harder grade focused on surface finish and higher cutting speeds in stable environments. YBG302 is the "Safety Grade." When you have vibration, long overhangs, or heavy interruptions, YBG302 provides the fracture toughness needed to keep the machine running without surprise tool failure.
Global Engineering Reviews
"Running these on a long-reach end mill for slotting steel. The YBG302 toughness is impressive—no chipping even with chatter."
— David K., USA"Sehr zuverlässig bei unterbrochenem Schnitt. Standzeit ist top bei Edelstahl 1.4301."
— Markus R., Germany"Best choice for general job shop work. One grade for almost everything."
— Paolo M., Italy"Predictable wear pattern. Much better value than the big European brands we used before."
— Takashi H., JapanFrequently Asked Questions
Should I use YBG302 for finishing?
While YBG302 can achieve decent finishes, it is optimized for toughness. If surface finish is your #1 priority in stable conditions, consider YBG202 or YBG205.
How does it perform on high-temp alloys?
It is capable of cutting HRSA (ISO S), but YBG205 is generally the specialist for those materials. YBG302 is better for general steel/stainless milling.
Material Pro Tip: The "Safety" Logic
If you aren't sure which grade to choose for a new job, start with YBG302. Its balanced toughness prevents the catastrophic failures that happen with harder grades, allowing you to establish a baseline for wear before moving to a faster grade like YBG202.
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.