Korloy-Original Inserts from Korea

All 19 inserts in this catalog are 100% genuine Korloy — manufactured by Korloy in Daegu, Korea. Each insert is sourced through Korloy's authorized distribution channels and ships in original factory packaging with full traceability. Korloy's premium carbide substrates, CVD/PVD coatings, and edge-preparation processes are specified across the full NC series (CVD coated steel/stainless), PC series (PVD coated stainless/steel), CN series (cermet steel finishing), CC series (cermet aluminum), H-series (uncoated aluminum), KC series (cast iron) grade families — providing the consistent performance and reliability that has made Korloy a leading cutting-tool brand.

About DC 55° Diamond Negative-Rake Carbide Inserts

Genuine Korloy DC/DCMT 55° diamond-shape turning inserts with negative rake (0°) and double-sided design for ISO P / M / K heavy roughing through finishing. Choose from 19 Korloy DCMT/DCG T SKUs in IC 12.7mm and 15.875mm sizes with NC3020, PC9030, NC3120 grade options for steel, stainless, and cast iron turning.

The DC-55 family includes sub-designations:

• DCMT — DCMT — w/ Hole + Molded Chipbreaker
• DCGT — DCGT — Ground sharp edge for finishing

Korloy is one of the world's leading manufacturers of CNC cutting tools, with decades of carbide expertise. Korloy's grade lineup represents decades of coating and substrate development for ISO P / M / K / N applications.

How to Choose the Right Korloy DC-55 Insert

Selecting the correct Korloy DC-55 insert involves three decisions:

1. Material → Grade: Steel → TT7015 / TT8115. Stainless → TT8020 / TT9225. Cast iron → KT-series. Aluminum → US-series.
2. Sub-designation → Operation: General turning → DCMT. Finishing → DCGT. Heavy roughing → thicker section.
3. IC size → Tool holder: Smaller IC fits compact holders. Larger IC for heavy-duty work.

Tip: For stainless steel work, Korloy TT9225 (CVD M-grade) provides superior wear resistance. For aluminum, use uncoated US-series with sharp-edge geometry.