This heavy-duty square flat washer is made of high-quality steel, sized 3*60*60mm. It is suitable for wood structures, light steel structures, and heavy timber connections, effectively distributing the pressure of bolts or screws, preventing wood crushing, and enhancing the stability and durability of connection points. Widely used in timber frame houses, beam-column structures, and pressure-treated wood projects, it is an essential washer in building hardware.
