Hwashin Bolt Industry products are installed in thermal power plants worldwide.

They are applied to key equipment such as turbines, boilers, high-pressure valves, and generators—components that convert thermal energy into mechanical energy—contributing to the stable operation of power facilities and reliable power supply.

We supply a wide range of products, including turbine casing fasteners such as TAP STUD, THRU STUD, SLOTTED NUT, COVERED NUT, and ECCENTRIC PIN, as well as structural bolts such as STUD BOLT, HEXAGON BOLT, HEX SOCKET BOLT, and 12-POINT BOLT.

Our products are manufactured using various materials suitable for high-temperature and high- pressure environments and are compatible with most turbine specifications, ranging from model M3 to M190, from major global manufacturers including STEAM TURBINE, GE VERNOVA, MHI, SIEMENS, ALSTOM, and TOSHIBA.

Domestically, we supply products to Korea’s five major power generation companies—Korea Southern Power, Korea Western Power, Korea Midland Power, Korea Eastern Power, and Korea South-East Power.