4NKT060308R-M OY880A（10pcs） Indexable Insert – High Feed Milling Grade for Steel & Stainless Steel
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4NKT060308R-M OY880A High Feed Milling Insert
Product Overview
The 4NKT060308R-M OY880A is a precision-engineered carbide insert designed for high feed milling applications. It features a robust multi-edge geometry and chipbreaker optimized for efficient metal removal, reduced cutting force, and superior surface finish. The OY880A grade offers excellent performance in steel, stainless steel, and alloy materials, ensuring high wear resistance and extended tool life.
Key Features
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🔧 Insert Code: 4NKT060308R-M
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🧱 Grade: OY880A – Fine-grain carbide with nano-coating for thermal and wear resistance
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✂️ Geometry: R-M chipbreaker for smooth chip evacuation and low cutting forces
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🛠️ Application: Roughing and semi-finishing in high-feed milling
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🔄 Insert Shape: Square with 4 usable cutting edges
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🔩 Mounting: Compatible with 4NTE90 high-feed face mills
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📈 Cutting Materials: Steel (P), Stainless Steel (M), and difficult-to-machine alloys
Application Recommendations
| Material Type | Cutting Condition | Performance |
|---|---|---|
| Carbon Steel | Stable to Interrupted | ✅ Excellent |
| Alloy Steel | Continuous | ✅ Excellent |
| Stainless Steel | Wet or Dry | ✅ High Tool Life |
| Heat-Resistant Alloys | Low to Medium Feed | ⚠️ Moderate Performance |
Compatible Tool Holders
Perfectly matches with the 4NTE90 series of high feed milling cutters, such as:
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4NTE90 C20-20-150L-3T
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4NTE90 C25-25-200L-4T
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4NTE90 C32-32-150L-5T
(See full list on cutter product page)
Why Choose OY880A Grade?
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✔️ High toughness and resistance to edge chipping
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✔️ PVD-coated for longer tool life at high speeds
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✔️ Suitable for both dry and wet cutting
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✔️ Stable performance even in challenging conditions
Packaging
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📦 10 inserts per box
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🛡️ Factory-sealed in protective packaging for tool safety and shelf life