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Korloy SPMT040204-PD PC5300
Korloy SPMT040204-PD PC5300 is a 4-edged indexable carbide insert (square, 90°) with PD chipbreaker, PVD TiAlN coating in the PC5300 universal grade — engineered for reliable performance in drilling, turning, milling across steel, stainless, cast iron, and even superalloys.
Maximize your drilling efficiency with Korloy SPMT040204-PD PC5300, one of the most reliable indexable inserts from Korloy’s King Drill Series. Built with 4 cutting edges, a robust PD chipbreaker, and the advanced PC5300 universal grade, this insert is designed to deliver longer tool life, consistent hole accuracy, and reduced machining cost per component.
Hook / Attention Line
Cut more holes per insert and slash your tool change downtime — the Korloy SPMT040204-PD PC5300 delivers longer tool life and lower cost per hole.
Key Features & Specs
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Geometry: square 90° insert, 4 usable cutting edges, inscribed circle ~0.185" (4.70 mm), thickness ~0.094" (2.39 mm), corner radius ~0.016" / 0.4 mm
Chipbreaker: PD (general purpose) optimized for balanced chip control in steels, stainless, and cast iron. -
Grade & Coating: Universal PC5300 – PVD TiAlN coated. High edge hardness, oxidation resistance, good substrate toughness. Compatible with ISO P, M, K, S materials.
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Relief angle: ~11° (typical for drilling inserts)
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Typical applications: indexable drilling (King Drill family), also usable in turning, milling or parting & grooving in compatible setups.
Why It’s a Best Seller
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Less downtime — 4 cutting edges per insert means more cycles before index or replacement.
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High wear & chipping resistance — PC5300’s coating + substrate design resist wear even under moderate heat and interrupted cuts.
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Stable performance — Designed for balanced cutting forces (central + peripheral inserts) in King Drill systems to reduce vibration and maintain hole accuracy.
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Better surface finish — Its chipbreaker geometry helps deliver smoother hole walls. In tests, Korloy King Drill systems with PC5300 delivered 50 % longer tool life vs competitor inserts.
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Universal grade — You don’t need many grades on hand: PC5300 covers steel, stainless, cast iron, and some superalloys (S class)
Application Industries
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Automotive: drilling engine blocks, transmission components
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Aerospace / defence: holes in structural steels or exotic alloys
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Die & mold: cooling holes, ejector pin holes
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General engineering: jigs, fixtures, parts with through or blind holes
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Frequently Asked Questions
It’s designed as a universal grade. PC5300 supports ISO P (steel), M (stainless), K (cast iron), and S (superalloys / heat-resistant steel) in moderate conditions
Corner radius ≈ 0.016" (0.4 mm). The insert designation is SPMT040204, i.e. ~4.70 mm inscribed circle, 2.39 mm thickness.
Yes — its use is primarily in indexable drilling (King Drill systems), but because of its geometry and universal grade, it can often be used in compatible turning or milling setups (if toolholder supports) where square inserts are acceptable
PC5300 has improved coating adhesion, better oxidation resistance, and better edge / chipping resistance while retaining toughness. It extends insert life under thermal stress and resists wear more reliably.
Just DM, WhatsApp, or call us with the part name SPMT040204-PD PC5300, quantity, and your location. We’ll share stock status, pricing & delivery options.
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