Korloy VBMT160408-HMP NC6315 is a premium CVD-coated turning insert designed for ductile and gray cast iron. With excellent chipping resistance and stable tool life under high-feed or interrupted conditions, it helps reduce downtime and improve surface finish across automotive, aerospace, and general engineering applications.
Frequent insert changes and poor surface finish cost machinists both time and money. The Korloy VBMT160408-HMP NC6315 solves these challenges with a powerful combination of advanced coating, stable chip breaker design, and high wear resistance.
Geometry: VBMT160408 – ISO rhombic insert, 35° included angle.
Chipbreaker: HMP – optimized for stability in turning applications.
Grade: NC6315 (K15 class) – engineered for cast iron.
Coating: CVD multilayer with alumina + advanced substrate for fracture resistance.
Cutting Applications: Turning of ductile and gray cast iron, especially under high-feed, heavy interrupted, or vibration-prone conditions.
Longer tool life – superior resistance to flank/rake wear and edge chipping.
Better surface finish – chip breaker design ensures smooth, consistent cutting.
Less downtime – fewer insert changes → more machine uptime.
Lower cost per component – reduced rework and rejects.
Automotive: Brake discs, engine blocks, housings.
Aerospace: Cast iron structural and tooling components.
Die & Mold: Cast bases, cores, and tooling blocks.
General Engineering & Heavy Machinery: Pumps, valves, machine frames.
NC6315 is optimized for ductile cast iron and gray cast iron, especially under heavy interrupted or high-feed turning.
No, it is engineered for cast iron machining. For steel or stainless, Korloy offers other specialized grades.
It offers higher wear and chipping resistance, stable tool life under vibration, and consistent performance in interrupted cutting—reducing downtime.
Automotive, aerospace, die & mold, and general engineering where cast iron parts are heavily used.
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