Upgrade your grooving and parting-off game with the MGMN 300-M PC9030 insert—trusted across Indian manufacturing shops for delivering longer tool life, lower cost per component, and superior surface finish.

Key Features

Key Benefits at a Glance:

  • Insert Geometry & Fit: MGMN 300-M (MGT series) with 3 mm width (approx. 0.118″), slim yet rugged profile with neutral hand, corner radius ~0.0157″, and ~7° clearance—ideal for precision grooving & parting.

  • Superior Material & Coating (Grade PC9030):

    • Ultra-fine-grain cemented carbide substrate

    • Advanced PVD TiAlN coating ensures high hardness, outstanding oxidation and heat resistance, and enhanced chip-breaker adhesion. 

  • Designed For: Grooving, parting, registers, recessing (internal and external), including heavy or interrupted cuts.

Why It’s a Best Seller

Why Shops Keep Ordering It:

  • Lower Downtime: With its superior wear and edge-chipping resistance, PC9030 dramatically extends insert life even under tough cutting conditions—reducing tool-change frequency.

  • High Wear Resistance: Maintains sharpness across long runs, even when machining stainless steel or cast iron.

  • Better Surface Finish: Smooth, consistent edge condition gives excellent finishes on work-pieces, reducing downstream polishing or re-work.

Industries Served:

Ideal for Industries Such As:

  • Automotive (shaft grooves, splines)

  • Aerospace (titanium/stainless features, ring grooves)

  • Die & Mold (precision slots, undercuts)

  • General Engineering & Medical Components (deep grooves, fine finishes)

Let CNC Tools Depot help you dial in the right insert for your production and budget.

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Frequently Asked Questions

P-grade PC9030 excels on steel, stainless steel, and even cast iron. Its PVD TiAlN coating and fine-grain carbide substrate deliver high wear resistance and thermal stability

The “300” in MGMN 300-M refers to a 3 mm (approx. 0.118″) insert width. Corner radius is about 0.0157″ (~0.4 mm), with a neutral-hand orientation and ~7° clearance.

Ideal for grooving, parting-off, internal or external recessing (especially light grooves). It handles heavy interrupted cuts and stable parting operations effectively thanks to its M-chip breaker design.

Compared to older universal grades like PC5300, PC9030 offers higher oxidation resistance, better hardness retention at high temperature, and improved toughness for longer tool life and better finish—especially in challenging materials.

  1. As India’s largest marketplace for carbide inserts, we ensure genuine Korloy products, competitive pricing, bulk-order discounts, and fast delivery. Plus, our team can guide on stock availability and optimal insert selection for your shop’s needs.