Manufacturer of carbide cutting tools for turning, milling, drilling and threading
KORLOY Inc.
Seoul · CheongJu · Jincheon · Qingdao (CN) · Sales companies EU, UK, MX, RU, CL, TR, IN, VN, BRNew on Amplifa
About KORLOY
KORLOY is a South Korean manufacturer of carbide cutting tools for the metal-cutting industry. The product portfolio comprises indexable inserts and tools for turning, multifunctional applications (grooving, parting, face turning, profiling), threading, milling, end mills and drills, as well as self-developed PVD- and CVD-coated carbide grades. Production takes place at the CheongJu (Endmill and Drill Plant since 2014, Tool-Holder Plant since 2015), Jincheon (second processing plant since 2011) and Qingdao in China sites; a Technical Center has existed since 2010. Customers are found in general metalworking, machine tool manufacturing and aerospace, documented by AS9100 certification. Through its own sales companies in Europe (KORLOY EUROPE GmbH since 2010), Hungary, the United Kingdom, Mexico, Russia, Chile, Turkey, India, Vietnam and Brazil, KORLOY supplies customers worldwide. The headquarters has been located in a new building in Seocho-dong, Seoul, since 2022.
- Site
- Seoul (Seocho-dong)
- Processes
- Turning Tools (Turning, ISO/FGT line-up), Multifunctional Tools (Grooving, Parting, Face Turning, Profiling), Threading Tools (Thread), Milling Tools (Milling), End Mills (Endmill), Drilling Tools (Drill), PVD-/CVD-coated carbide cutting grades (Grades), Tool Holder Manufacturing (Tool Holder plant, CheongJu)
- Materials
- Medium-Hard Steel, Alloyed Steel, Carbide (Hard Metal, Tool Material), Carbide (Hard Metal), PVD Coating, CVD Coating
- Certificates
- ISO 9001, AS 9100D (Aerospace Quality Management System; initially AS9100, ISO 14001 (Environmental Management System), ISO 45001 (Occupational Health and Safety Management System, obtained 2023-10), AS 9100D, ISO 14001, ISO 45001 (2023)
- Industries
- General Metalworking, Machine Tool/Machining Industry, Aerospace, Machine Tool/Machining Industry (Turning, Milling, Drilling, Threading), Aerospace (AS 9100D, Aerospace Technical Contributions)
- 01
Development and research (KORLOY Technical Center)
- 02
Substrate and grade development (PVD/CVD coating)
- 03
Endmill & Drill tool manufacturing (CheongJu)
- 04
Tool holder manufacturing (CheongJu)
- 05
Processing (Jincheon, Qingdao, India)
- 06
Quality inspection
- 07
Technical support and Total Solutions in hole drilling
- 08
worldwide distribution via own companies
Materials and Processes
Carbide (Hard Metal)
Base material of the indexable inserts and shank tools for turning, milling and drilling.
PVD Coating
Coating of the carbide grades for inserts at high temperatures, high hardness and oxidation resistance.
CVD Coating
Coating of the grades for high temperature and wear resistance.
Medium-Hard Steel
Target material of the U-Star end mills for general machining of medium hardness.
Alloyed Steel
Machined with the U-Star end mill grades.
Sites
Seoul (Seocho-dong)
KRHeadquarters/Administration
CheongJu
KRPlant: Endmill & Drill Plant (2014), Tool-Holder Plant (2015)
- Materials
- Carbide
Jincheon
KRPlant with 2nd processing facility (2011)
Qingdao
CNFactory (KORLOY FACTORY QINGDAO, since 2012)
India
INProduction facility (KORLOY INDIA MANUFACTURING, since 2018)
Tools and Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Turning Tools (Turning, ISO/FGT line-up)Machining | – | – | – | – | – |
| Multifunctional Tools (Grooving, Parting, Face Turning, Profiling)Machining | – | – | – | – | – |
| Threading Tools (Thread)Machining | – | – | – | – | – |
| Milling Tools (Milling)Machining | – | – | – | – | – |
| End Mills (Endmill)Machining | – | – | – | – | – |
| Drilling Tools (Drill)Machining | – | – | – | – | – |
| PVD-/CVD-coated carbide cutting grades (Grades)Machining | – | – | – | – | – |
| Tool Holder Manufacturing (Tool Holder plant, CheongJu)Machining | – | – | – | – | – |
| Endmill & Drill Manufacturing (CheongJu factory)Machining | – | – | – | – | – |
| Machining of medium-hard and alloyed steels (U-Star Endmill, General use Endmill for mediumMachining | – | – | – | – | medium-hard steel, alloyed steel |
Additional services
Quality and Certification
KORLOY is certified to AS 9100D / ISO 9001, ISO 14001 and ISO 45001 (since October 2023). According to the company, quality is ensured on a data basis directly in production (Smart Manufacturing).
| Evidence | CheongJu | Jincheon | Qingdao |
|---|---|---|---|
| ISO 9001 | |||
| AS 9100D | |||
| ISO 14001 | |||
| ISO 45001 (2023) |
Company History
- 2010
Founding of the sales company KORLOY EUROPE GmbH (April); ERP introduction (November); founding of KORLOY Technical Center (December)
- 2011
AS9100 certificate obtained (February); awarded as World Champ Manufacturer (May); 2nd processing plant at the Jincheon plant (July); founding of KORLOY INDIA (November); Export Tower USD 70 million (2012) and Grade-1 Precision Technology Manufacturer (December)
- 2012
Awarded as Hidden Champion of the Export-Import Bank of Korea (May); plant founded in Qingdao/China (August); Export Tower USD 70 million (November)
- 2013
Founding of KORLOY BRAZIL (June); 2,000 days accident-free at Jincheon plant (August)
- 2014
Endmill & Drill Plant built at the CheongJu plant (June)
- 2015
Tool Holder Plant built at the CheongJu plant (September); 22nd Corporate Innovation Grand Prize (November)
- 2016
Bronze Medal of Industrial Effort awarded to Chairlady Hye-sub Yun (July); founding of KORLOY VIETNAM (December)
- 2017
Export Tower for USD 100 million in exports (December)
- 2018
Production facility KORLOY INDIA MANUFACTURING founded (May)
- 2019
Jung-Hyun Yim new CEO (April); founding of KORLOY CHILE and KORLOY TURKIYE (April)
- 2020
Mid-sized Global Resource Provider (KOTRA, January); founding of KORLOY RUS LLC in Russia (July); Industrial Data Quality Certification KOIIA (December)
- 2021
Awarded as World Champ Manufacturer (May); Digital Catalog online (October)
- 2022
Founding of KORLOY MEXICO (July); move to new building in Seocho-dong, Seoul (July)
- 2023
IR52 Award for Grade PC3700 (February); Root Company selection (April); Specialized Company for Materials/Components/Equipment (May); ISO 45001 certification (October); Prime Minister's Commendation on Middle Market Enterprise Day (December)
- 2024
Corporate Philanthropy Leader (March); 'Rising Leaders 300 enterprises' of the Ministry of Trade, Industry and Energy (July)
- 2025
Founding of the sales company KORLOY U.K. (July)
- 2026
IR52 Award for Milling Tool TP8P (February); founding of the sales company KORLOY Central Europe in Hungary (May)