KORLOY KNUX160405R11 NC3020 55° Parallelogram CVD Coated Right-hand Cutting Carbide Turning Insert for CNC Machining

The KORLOY KNUX160405R11 NC3020 is a 55° parallelogram indexable carbide turning insert from KORLOY (South Korea), designed for external turning, profiling, and facing in carbon/alloy steel. It features a right-hand (R) cutting direction, 0.5 mm corner radius, and NC3020 CVD-coated grade for high wear resistance in general steel machining.

• Brand: KORLOY (South Korea, founded 1966)
• Model: KNUX160405R11
• Grade: NC3020 (CVD coated)
• Shape: 55° Parallelogram (K-type)
• Size Code: 160405 (16mm IC, 4mm thick, 0.5mm corner radius)
• Cutting Direction: Right-hand (R)
• Chipbreaker: 11 (for medium cuts, stable chip control)
• Coating: CVD TiCN+Al₂O₃ (heat & wear resistant)
• Edges: 2 usable cutting edges
• Application: External turning, profiling, facing, copy machining

• Carbon steels (1045, S45C, A3) – primary
• Alloy steels (4140, 40Cr, HRC < 45)
• Mild stainless steels (304, 316, light cuts)
• Cast iron (HT200, HT250, dry cutting)

• CNC external turning & profiling of steel components
• Facing, copy machining, and contour turning
• Medium-to-high speed machining (Vc: 120–250 m/min)
• Semi-finishing to finishing operations
• Mass production of automotive & general mechanical parts

• NC3020 grade: Thick Al₂O₃ CVD coating, excellent heat & crater wear resistance
• 55° parallelogram: Versatile for profiling & copy turning with stable cutting
• Right-hand design: Optimized for standard external turning operations
• KORLOY quality: Korean manufacturing, consistent performance in mass production
• Cost-effective: High performance for general steel machining