Dongsan, The Republic of Korea - Komachine Supplier Profile and Product List

- Dongsan is a specialized gundrill manufacturer dedicated to deep hole machining since its establishment in 1987, successfully localizing gundrills for the first time in Korea in 1990. The company produces a wide range of gundrills from Φ2 to Φ50, BTA drill tubes, and gundrill accessories, offering a total solution provider including deep hole machining services. Since 1997, it has expanded into international markets, exporting to various Asian and Eastern European countries, demonstrating global capabilities.Dongsan is a specialized gundrill manufacturer dedicated to deep hole machining since its establishment in 1987, successfully localizing gundrills for the first time in Korea in 1990. The company produces a wide range of gundrills from Φ2 to Φ50, BTA drill tubes, and gundrill accessories, offering a total solution provider including deep hole machining services. Since 1997, it has expanded into international markets, exporting to various Asian and Eastern European countries, demonstrating global capabilities.
- Single Flute Gundrill: Capable of manufacturing in the Φ2~Φ50 range, with the ability to machine depths of approximately 100 times the drilling diameter. A specialized tool for deep hole machining with easy chip evacuation facilitated by high-pressure coolant.Single Flute Gundrill: Capable of manufacturing in the Φ2~Φ50 range, with the ability to machine depths of approximately 100 times the drilling diameter. A specialized tool for deep hole machining with easy chip evacuation facilitated by high-pressure coolant.
- Two Flute Gundrill: Produced in the Φ2~Φ50 range. A precision tool used for deep hole machining alongside single flute gundrills.Two Flute Gundrill: Produced in the Φ2~Φ50 range. A precision tool used for deep hole machining alongside single flute gundrills.
- Stepped Gundrill: Manufactured in the Φ2~Φ50 range. A special gundrill capable of machining holes of various diameters in a single pass.Stepped Gundrill: Manufactured in the Φ2~Φ50 range. A special gundrill capable of machining holes of various diameters in a single pass.
- BTA Drill and BTA Drill Tube: Tools used for deep hole machining in the Φ16~Φ105 range. Features high-speed machining capabilities, over 4 times faster than gundrills, with excellent chip evacuation and machinability. BTA drill tubes are available in various specifications, including diameter ranges from 15.60~65.00mm and lengths of 1600mm or 2600mm.BTA Drill and BTA Drill Tube: Tools used for deep hole machining in the Φ16~Φ105 range. Features high-speed machining capabilities, over 4 times faster than gundrills, with excellent chip evacuation and machinability. BTA drill tubes are available in various specifications, including diameter ranges from 15.60~65.00mm and lengths of 1600mm or 2600mm.
- Gundrill Accessories: Provides various parts and consumables necessary for gundrill machine operation.Gundrill Accessories: Provides various parts and consumables necessary for gundrill machine operation.
- Gundrill Repair Technology: Enables re-grinding and carbide tip replacement of used gundrills for regeneration. A service that supports economical tool usage with performance nearly identical to new products.Gundrill Repair Technology: Enables re-grinding and carbide tip replacement of used gundrills for regeneration. A service that supports economical tool usage with performance nearly identical to new products.
- Deep Hole Machining Technology: Specialized machining technology using gundrills and BTA drills to create deep holes in the Φ2~Φ105 range. Capable of machining a wide range of items from precision parts like round bars and molds to large items such as tube sheets and bolsters. High-precision machining capabilities with excellent straightness, surface finish, tight tolerances, cylindricity, and roundness.Deep Hole Machining Technology: Specialized machining technology using gundrills and BTA drills to create deep holes in the Φ2~Φ105 range. Capable of machining a wide range of items from precision parts like round bars and molds to large items such as tube sheets and bolsters. High-precision machining capabilities with excellent straightness, surface finish, tight tolerances, cylindricity, and roundness.
- Pioneering Domestic Gundrill Localization Technology: A leading company dedicated to deep hole gundrill development since its founding in 1987, successfully localizing gundrills for the first time in Korea in 1990. The company's vision is to become a world-class leader in deep hole drilling tools, based on extensive experience and skilled technology. This contributes to the localization of critical industrial components and ensures technological independence.Pioneering Domestic Gundrill Localization Technology: A leading company dedicated to deep hole gundrill development since its founding in 1987, successfully localizing gundrills for the first time in Korea in 1990. The company's vision is to become a world-class leader in deep hole drilling tools, based on extensive experience and skilled technology. This contributes to the localization of critical industrial components and ensures technological independence.
- Extensive Product Lineup and Machining Capabilities: Produces a wide range of deep hole machining tools, including single flute, two flute, stepped gundrills, gun reamers, BTA drills, and BTA drill tubes, covering Φ2~Φ50. BTA drills, in particular, can machine in the Φ16~Φ105 range, achieving high-speed machining over 4 times faster than gundrills. The machining division offers deep hole machining services from Φ2~Φ105, with a broad track record from precision parts to large-scale items.Extensive Product Lineup and Machining Capabilities: Produces a wide range of deep hole machining tools, including single flute, two flute, stepped gundrills, gun reamers, BTA drills, and BTA drill tubes, covering Φ2~Φ50. BTA drills, in particular, can machine in the Φ16~Φ105 range, achieving high-speed machining over 4 times faster than gundrills. The machining division offers deep hole machining services from Φ2~Φ105, with a broad track record from precision parts to large-scale items.
- Superior Machining Quality and Precision: Ensures excellent straightness and roundness in deep hole machining, achieving a runout of less than 1mm for 1000mm deep hole machining. Achieves a significantly superior surface finish compared to twist drills due to high-pressure coolant supply and the burnishing effect of the drill pad area. The ability to machine high-hardness materials with excellent tolerances, cylindricity, and roundness meets high-quality demands across various industries.Superior Machining Quality and Precision: Ensures excellent straightness and roundness in deep hole machining, achieving a runout of less than 1mm for 1000mm deep hole machining. Achieves a significantly superior surface finish compared to twist drills due to high-pressure coolant supply and the burnishing effect of the drill pad area. The ability to machine high-hardness materials with excellent tolerances, cylindricity, and roundness meets high-quality demands across various industries.
- Economical Tool Life Management and Fast Delivery: Offers a service for regenerating used gundrills through re-grinding and carbide tip replacement, providing nearly identical performance to new products for economical tool use. With a machining division equipped with 8 gundrill and BTA machines, the company ensures not only superior quality but also fast delivery to meet customer demands.Economical Tool Life Management and Fast Delivery: Offers a service for regenerating used gundrills through re-grinding and carbide tip replacement, providing nearly identical performance to new products for economical tool use. With a machining division equipped with 8 gundrill and BTA machines, the company ensures not only superior quality but also fast delivery to meet customer demands.
- Global Market Entry and Technological Recognition: Began exporting in 1997, gaining international recognition for its technology. Currently exports products to most Asian countries, including Japan, China, and India, as well as parts of Eastern Europe, including the Czech Republic, demonstrating global competitiveness. This continuous growth in overseas markets is evidence of international trust in its technology and product quality.Global Market Entry and Technological Recognition: Began exporting in 1997, gaining international recognition for its technology. Currently exports products to most Asian countries, including Japan, China, and India, as well as parts of Eastern Europe, including the Czech Republic, demonstrating global competitiveness. This continuous growth in overseas markets is evidence of international trust in its technology and product quality.
- Customer-Centric Adherence to Quality, Price, and Delivery: Operates with a management philosophy that prioritizes customer satisfaction by strictly adhering to its company motto: 'Competitive Price, Highest Quality, Accurate Delivery'. This approach fosters trust with customers and maintains long-term partnerships.Customer-Centric Adherence to Quality, Price, and Delivery: Operates with a management philosophy that prioritizes customer satisfaction by strictly adhering to its company motto: 'Competitive Price, Highest Quality, Accurate Delivery'. This approach fosters trust with customers and maintains long-term partnerships.
- Automotive Industry: Essential for manufacturing automotive components requiring deep hole machining.Automotive Industry: Essential for manufacturing automotive components requiring deep hole machining.
- Shipbuilding Industry: Precision deep hole machining for ship engines and other components.Shipbuilding Industry: Precision deep hole machining for ship engines and other components.
- Aircraft Industry: Lightweight and high-precision deep hole machining for aircraft components.Aircraft Industry: Lightweight and high-precision deep hole machining for aircraft components.
- Machinery and Tool Industry: Deep hole machining for manufacturing various machine parts and tools.Machinery and Tool Industry: Deep hole machining for manufacturing various machine parts and tools.
- Petroleum Refining and Construction Industry: Deep hole machining for plant equipment and construction machinery components.Petroleum Refining and Construction Industry: Deep hole machining for plant equipment and construction machinery components.
- Hydraulics and Pneumatics Industry: Precision deep hole machining for hydraulic cylinders and related components.Hydraulics and Pneumatics Industry: Precision deep hole machining for hydraulic cylinders and related components.
- Mold Industry: Deep hole machining for precision mold manufacturing.Mold Industry: Deep hole machining for precision mold manufacturing.
- Japan, China, India, Most Southeast Asian countriesJapan, China, India, Most Southeast Asian countries
- Czech Republic, Parts of Eastern EuropeCzech Republic, Parts of Eastern Europe
- Secured technological competitiveness through the successful localization of gundrills for the first time in Korea in 1990.Secured technological competitiveness through the successful localization of gundrills for the first time in Korea in 1990.
- Recognition of technological prowess through the development of 2F gundrills and commencement of overseas exports in 1997.Recognition of technological prowess through the development of 2F gundrills and commencement of overseas exports in 1997.