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Korloy APMT 1135 PDER-Q PC5300
The Korloy APMT 1135 PDER-Q PC5300 is a universal grade PVD carbide insert designed for medium to high speed machining of steel, stainless steel, cast iron and heat-resistant alloys. Offers excellent chipping resistance, high temperature hardness, and a finish-friendly edge. Best for both roughing & finishing operations.
Attention Machinists & Tooling Specialists: The Korloy APMT 1135 PDER-Q PC5300 is engineered to deliver longer tool life, reduced cost per component, and more consistent surface finish, even under demanding conditions.
Key Features & Specs:
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Grade / Coating: PC5300 (Korloy’s Universal 30 Grade) — PVD coating with high temperature hardness and oxidation resistance; ultra-fine grain substrate for toughness and chipping resistance.
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Geometry / Chipbreaker: “PDER-Q” geometry (i.e. negative + chipbreaker suited to general profile inserts) in the APMT1135 size — ideal for controlled chip flow, stable cutting, less vibration. (This geometry allows robust edge strength, helping resist fracture and chipping under load.)
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Applications: Designed for turning & milling; works with interrupted cuts; good for both roughing and finishing; works well on alloy steel, carbon steel, stainless steel, cast iron, and heat-resistant alloys.
Why It’s a Best Seller:
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Reduced downtime thanks to superior wear resistance, especially under high temperature conditions thanks to the advanced PVD coating.
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Excellent surface finish, even in finishes and semi-finishes, because of fine-grain substrate and stable geometry.
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Increased tool life & consistency — fewer inserts consumed per job, less variability, lower cost per part.
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Strong resistance to chipping & welding (built-up edge), meaning performance remains stable even when machining harder steels or under interrupted cuts.
Industries / Use Cases:
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Automotive components machining (shafts, blocks, housings)
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Aerospace parts where steels & alloys & stainless steels are common
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Die & mold work (steel & hardened & tougher alloys)
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General engineering / heavy machinery
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Any facility needing reliable insert performance in mixed materials & variable feed / interrupted cuts
Customer Benefits:
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Lower overall tooling cost (fewer insert changes, less scrap)
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Consistent part quality, better finish
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Less machine idle time
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Predictable performance even when job mix changes
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Frequently Asked Questions
You can use it on carbon steel, alloy steel, stainless steel, cast iron, and even some heat-resistant alloys. The universal grade PC5300 is designed for a wide material range.
*Both. Its geometry & coating allow stable performance under roughing as well as finishing operations. Finishing yields improved surface finish because of the fine grain substrate and reduced edge chipping.
*PC5300 offers a good balance: high temperature hardness, very good oxidation resistance & toughness. While ultra-hard grades may offer higher wear on very specific materials, PC5300 gives more consistent life especially under mixed or variable cutting conditions. *
*Yes. One of the strengths of PC5300 is its high chipping resistance thanks to its substrate toughness and coating adhesion. It handles interrupted cuts and less-ideal surfaces better. *
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*While actual parameters depend on machine rigidity, workholding, part geometry & coolant, general guidance from Korloy’s Universal Grade data recommends moderate-to-high speeds for steels & stainless, with feed & depth adjusted to suit finish vs metal removal. Starting conservatively, then increasing until acceptable finish & tool life is a safe strategy. *
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