Industrial Fasteners

Industrial Fasteners for Oil & Gas Projects | Onshore and Offshore EPC Projects

Industrial fasteners from standard bolts and nuts to specialized fasteners are manufactured in South Korea for the oil and gas, onshore and offshore projects, power generation, shipbuilding industry, and defense industries, for manufacturing LNG vessels, cryogenic valves, and plate heat exchangers.

Application-specific manufacturing allows us to produce fasteners in a wide range of material grades, sizes, and threads for the required yield strength, tensile strength, and temperature requirements.

Industrial fasteners have been widely used by suppliers to onshore and offshore plants, plant maintenance and repair, LNG vessels, desalination plants, cryogenic valves, EPC projects, and other heavy equipment manufacturers. With high rate of returning clients, our industrial fasteners guarantee of high quality and competitive pricing and lead time.

Each order of industrial fasteners, both standard or custom drawing fasteners are manufactured upon order, and under go strict quality control including rotational capacity testing.

Industrial Fasteners for Onshore and Offshore EPC projects

Standard bolts | Cryogenic treated fasteners for cold environment

From standard industrial fasteners to specially treated industrial fasteners for extreme environments, our industrial fastener manufacturer in South Korea produces each order in batch as required based on your drawing, grade, dimension and standards for a wide range of applications in the energy and defense industries.

Manufacturing site in Busan South Korea, supplying industrial fasteners in the following standards:

 

  • ASTM
  • ASME
  • DIN
  • ISO
  • JIS
  • Bolts and Nuts based on drawings and specifications

Our capability covers stud bolts, anchor bolts, and large diameter industrial fasteners.

Cryogenic treated bolts are suitable for demanding low temperature requirements such as LNG vessels, plate heat exchangers and cryogenic valves.

Hex Bolt | EPC & MRO

Hex Bolt

Socket Cap Screw | Industrial Fasteners

Wrench Bolt

Stud Bolts | EPC & MRO

Stud Bolt

U Bolts | Industrial Fasteners

U-Bolt

Hex Nut | EPC & MRO

Hex Nut

Special Nut | EPC & MRO

Special Nut

Industrial Washers | Industrial Fasteners

Washer

Industrial Fasteners | EPC & MRO

Industrial Bolt

Other Fasteners | Industrial Fasteners

Other Industrial Fasteners

Standard Bolts | Industrial Fasteners

Our industrial fasteners and specialty bolts are made with a variety of metals including stainless steel, alloy steel, nickel alloy steel, and carbon steel (low, medium, cold drawn, heat treated). Since our fasteners are manufactured in small batches for specific applications, our capabilities also include producing large diameter bolts for the power generation industry, power plants, and wind turbines.

  • SAE J429: Grade 1, 2, 4, 5, 5.1, 5.2, 7, 8, 8.1, 8.2, etc
  • SAE J995: Grade 2, 5, 8
  • ASTM A193/193M: Grade B6, B7, B16, Class 1 Grade B8M, etc
  • ASTM A194/194M: Grade 1, 2.2H, 4, 6, 7, 8, 8M, etc
  • ASTM A307: Grade A, B
  • ASTM A320/320M: Grade L7, Class 1 Grade B8, Class 1 Grade B8M
  • ASTM A325: Type 1, 2
  • ASTM A449: Type 1, 2
  • ASTM A490: Type 1, 2, 3
  • ASTM A490M: Type 1, 2
  • ASTM A563: Grade O, A, B, C, D, DH
  • ASTM A563M: Grade 8S, 10S
  • JIS B1051, JIS B1186, B1052
  • KS B0233, KS B1010, KS B0234

Our standard industrial fasteners consists of hex bolt, heavy hex bolt, high strength hex bolt, nut, wrench bolt, stud bolt, u-bolt, square bolt, anchor bolt, washer, and more. Please refer to the following brochures for specifications of our standard bolts and nuts and sample dimensions, chemical property, and mechanical property.

Standard Fastener Chemical and Mechanical Properties:

pdf-iconChemical Properties of Steel Fasteners

pdf-iconMechanical Properties of Steel Fasteners

EPC Projects | Industrial Fasteners

Global EPC companies with multiple projects all over the world often require local suppliers for projects overseas. For your new or on-going project in the Asian region or west coast of North America, working with a strong, quality assured fastener manufacturer from South Korea will save you both time and cost.

Our industrial fasteners are supplied to Power plants, ship building industry, wind power and energy industry, engine part manufacturers, heavy equipment manufacturers and global EPC companies with global projects including projects in Asia.

 

Our exemplary clients:

Shipbuilding

  • Daewoo Shipbuilding & Marine Engineering | DSME 
  • Daewoo Ship Engineering Company | DSEC
  • Mitsubishi Heavy Industry
  • Hyundai Yacht

Power Generation

  • KEPCO

Heat Exchanger Manufacturer

  • DongHwa Entec

Heavy Industry and Construction

  • Doosan Heavy industry
  • Doosan Engineering & Construction Co. Ltd

Oil and Gas | Petroleum

  • S-OIL (petroleum and refinery)
  • Basic modules in cutting, welding, filling machines

Mining

  • KOCOAL
Industrial Fasteners Application

Fastener Production Capabilities

Our industrial nuts and bolts are used by a wide range of industries. Below shows the average annual production capacity.

Application | Item Ton/Year Ton/Month
Petrochemical Plant | Stud Bolt, Anchor, etc.
240
20
Diesel Engine Parts | Hold Down Bolts, etc.
240
20
Boiler and Pressure Vessels | Stud Bolt
240
20
Heat Exchanger and Fresh Water Generator | Tightening Bolt
120
10
Gas Turbine Parts | Casing Bolt, Reamer Bolt, etc.
120
10
Chemical Process Equipment Parts
120
10
Construction | H/T, T/S, etc
120
10
Heavy Equipment Parts | Special Bolt
120
10
Standard Bolt and Nut, etc
360
10
Total
1680
140

Factory Certifications

  • ISO 9001:2008
  • ISO 14001:2004
  • KEPIC MN/SN
  • OHSAS 18001:2007 (ABS)
  • ASTM A193/A194

Past Projects

CompanyProjectPeriod
Technip FranceShell Prelude FLNGOct 2013
Algiers Refinery ProjectMar-Oct 2013
Samsung Heavy Industries
Shell Prelude FLNGMar 2013
SK Engineering & Construction
Wasit Gas PlantMar-Oct 2013
Bechtel International
Australia Pacific LNGMar-Oct 2013
Santos GLNGMay-Sept 2013
JGC CorporationBarzan Gas ProjectMay-Apr 2013
Technicas Reunidas
Sadara Chem-IIIApr-Oct 2013
Snamprogetti Canada Inc.
Husky Sunrise EnergyApr-Sept 2013
Foster WheelerSadara Propylene Oxide PlantMay 2013

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