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Korloy CCMT09T308-HMP NC6315
Unlock higher productivity in cast iron turning with Korloy CCMT09T308-HMP NC6315 — a K15 CVD-coated negative insert engineered for high feed, interrupted, and continuous conditions. Best-selling for its stability, wear resistance, and surface finish in automotive, machinery & die & mold applications. Contact us now for stock & pricing.
Maximize Productivity with Korloy CCMT09T308‑HMP NC6315
Upgrade your cast iron turning operations with the Korloy CCMT09T308‑HMP NC6315 insert — designed to deliver longer tool life, reduced downtime, and superior surface finish. Engineered with Korloy’s trusted NC6315 CVD-coated grade, this insert is perfect for both gray and ductile cast iron, offering exceptional wear and chipping resistance under high feed, interrupted, or continuous cutting conditions.
Hook / Attention Line
Cut your cost per part — longer tool life, less downtime, and smooth finishes — with the Korloy CCMT09T308-HMP NC6315 insert on your toolholder.
Key Features & Specs
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Grade / Coating: NC6315 (K15), a CVD coated grade optimized for cast iron, providing enhanced wear & chipping resistance.
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Geometry / Breaker: HMP chip breaker (medium cut); suitable for general to semi-finishing conditions.
Insert Style / Size: CCMT09T308 – standard negative insert in the CCMT family for turning. -
Cutting Applications: Designed primarily for turning cast iron (both gray and ductile). Performs well in high feed, interrupted, or continuous cutting.
Why It’s a Best Seller
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Reduced downtime & longer stable life: The NC6315 grade is engineered for resistance to chipping and tool fracture, maintaining consistent performance even under interrupted cuts or vibration.
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Better surface finish: The HMP chip breaker helps control chip flow and reduces load on the edge, giving smoother surfaces on cast iron parts.
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High wear & chipping resistance: Its CVD coating and optimized substrate resist flank and rake wear under harsh cast iron conditions.
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Versatility under varying conditions: It works reliably under high feed, intermittent cuts, or continuous operations — reducing the need for multiple inserts
🏭 Application Industries
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Automotive (engine blocks, brake housings, cast iron parts)
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Aerospace (cast iron fixtures, molds)
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Die & Mold (cast iron dies, mould bases)
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General Engineering & Machinery (pump bodies, housings, machine frames)
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Frequently Asked Questions
NC6315 is tailored for cast iron machining — both gray and ductile cast iron — especially under high feed or interrupted cutting
The HMP (medium) breaker balances load reduction with chip control — ideal for general, semi-finishing operations in cast iron
NC6310 is optimized for continuous or light interrupted, high-speed marine cutting; NC6315 is more versatile across high feed, interrupted or continuous cast iron machining.
While it’s possible in limited cases, NC6315 is specifically engineered for cast iron. For steel, other Korloy grades (P or M series) are more appropriate.
Stock and pricing vary. DM or WhatsApp CNC Tools Depot today, and we’ll fast-check availability and quantity discounts for you.
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