Hit your targets with Korloy CNMG120408-HM PC9030 — precision-engineered for heavy-duty stainless-steel turning.

Crafted with a TiAlN PVD coating on an ultra-fine grain carbide substrate, this insert excels in medium, roughing, and heavy interrupted cutting of stainless steel, providing elevated resistance against chipping and welding for steady, reliable machining performance

Geometry & Specs:

Geometry & Specs:

  • Rhombic 80° negative insert, size CNMG120408-HM

  • Dimensions: ⌀12.7 mm inscribed circle, thickness 4.76 mm, ∅d1 = 5.16 mm BEYOND

  • Designed for cutting conditions: feed 0.10–0.20 mm/rev, depth 0.80–3.50 mm depending on operation

Why It's a Best Seller:

Why It's a Best Seller:

  • Reduced downtime thanks to high chipping and welding resistance—maintains tool integrity even under interrupted cuts.

  • Superior surface finish through stable machining and minimal built-up edge formation.

  • Enhanced wear resistance ensures more parts per edge, maximizing tool life and lowering cost per component.

Application

Prime Application Industries:

  • Automotive components (e.g., fasteners, shafts)

  • Aerospace parts (e.g., fittings, housings)

  • Die & mold work (stainless tool steels)

  • General engineering (pumps, valves, fittings requiring heavy interrupted cutting)

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Frequently Asked Questions

It’s optimized for medium to heavy interrupted cutting of stainless steel, delivering excellent chipping and welding resistance under tough conditions

It features a TiAlN PVD coating on an ultra-fine grain carbide substrate, combining fine-grained toughness with durability for interrupted cuts

Thanks to its high chipping and welding resistance, it maintains integrity during interrupted cuts—leading to fewer edge changes, smoother surface finish, and longer tool life, cutting cost per part.

The insert is a CNMG120408-HM negative insert with an 80° rhombic shape, ⌀12.7 mm inscribed circle, thickness of 4.76 mm, and ⌀d1 of 5.16 mm

Simply DM, WhatsApp, or call CNC Tools Depot—we’ll confirm stock, provide pricing, or discuss bulk-order options immediately.