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Korloy WNMX09T316ZNN-MM PC5300
Long‐life universal carbide insert – Korloy WNMX09T316ZNN-MM PC5300 with PVD TiAlN coating, chipbreaker MM. Optimised for milling across steel, cast iron, stainless & more. Reduced downtime, better finish. #CarbideInserts #Korloy
Unlock Higher Productivity with Less Downtime
Push your machining envelope with the Korloy WNMX09T316ZNN-MM PC5300 — a universal Grade PC5300 carbide insert engineered for superior wear resistance, excellent surface finish and high temperature stability. Its PVD TiAlN coating + ultra-fine, tough substrate means you can run at medium to high cutting speeds while retaining edge strength.
Key Features & Specs:
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Geometry / Shape: WNMX style, “trigon-type” insert, 80° included angle.
Chipbreaker: MM – medium universal chipbreaker for milling applications.
Coating: PVD TiAlN – high hardness, high temperature resistance, good oxidation resistance. -
Grade: PC5300 – part of Korloy’s “Universal Grade Series,” covering P, M, K, S type materials. Strong against chipping, welding, temperature.
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Physical Specs:
• Inscribed Circle (IC): ~9.525 mm (≈ 3/8")
• Thickness: ~5/32" (~3.97 mm)
• Corner Radius: ~1.6 mm (≈ 1/16")
Why It’s a Best Seller
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Reduced downtime – with PC5300’s toughness and TiAlN coating, insert life increases, fewer changes.
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Better surface finish – uniform edge quality + stable chip control from the MM chipbreaker.
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High wear & heat resistance – lets you maintain higher speeds or heavier cutting without rapid wear or edge breakdown.
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Versatility – works well across many materials (e.g. carbon steels, alloy steels, cast irons, stainless steels, and some heat-resistant alloys) so you need fewer insert variants
Applications / Use Cases
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Milling operations: slotting, face milling, shoulder milling.
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Especially strong when machining steels (carbon, alloy), cast irons, stainless steels in automotive, general engineering, die & mould, aerospace components.
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Intermittent cuts or varying depths, where insert toughness + coating durability matters.
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Frequently Asked Questions
This insert shines when machining carbon steels, alloy steels, cast irons, stainless steels, and even some heat-resistant alloys. Its universal PC5300 grade handles a wide range so you don’t need many insert variants
Yes. The PVD TiAlN coating delivers high temperature hardness & oxidation resistance, which keeps the insert stable even at medium to high cutting speeds.
It uses the MM chipbreaker (medium universal) which offers balanced chip control, less load on minor cutting edges, stable machining, and helps maintain good surface finish
While exact life depends on material, machine, cooling etc., users report significant reductions in downtime due to fewer insert changes, and better consistency in surface finish, especially under more demanding or interrupted cuts. The PC5300 grade is designed for higher wear resistance and toughness.
Yes. Thanks to its tough substrate + Universal grade design, it can handle intermittent cutting, varying depths of cut, and more aggressive milling to some extent — though for very heavy roughing you might consider even tougher grades or larger corner radius depending on your setup
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