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　　This product is a core fastener specifically designed for the main frame of steel structures. It features a 10.9S ultra-high strength grade and is manufactured strictly in accordance with national standards GB1228-1231. It is the core connecting bolt for main load-bearing components such as steel columns, steel beams, and steel trusses. The product is meticulously…

　　This product is a high-strength shear bolt specifically designed for steel structure main frames, strictly manufactured in accordance with the national standard GB3632. It is a highly efficient fastener that replaces large hexagonal bolts. Its core advantages are “precise installation and no need for re-inspection.” The bolt features a spline head at the tail, which…

　　10.9 grade ultra-high strength level, tensile strength ≥1040MPa, yield strength ≥940MPa, suitable for core load-bearing splicing needs in steel structure main structures, beam-column connections, etc., with excellent load-bearing and pull-out resistance performance. Made of selected 20MnTiB alloy steel, processed by tempering heat treatment, the entire stud has uniform hardness without discontinuities, and the threads are…

　　This product is the “exclusive welding accessory” for cylindrical head welding studs and is an essential component for welding steel-concrete composite structures. Made of high-temperature resistant ceramic material, it precisely fits various stud specifications. During welding, the ceramic ring is placed on the welding end of the stud, effectively isolating air and preventing oxidation of…

　 　　This product is a core fastener for steel-concrete composite structures, also known as shear studs. It is a special welding component used for connecting steel crane beams, floor slabs, and concrete in steel structures. The studs are fixed to the steel beam by welding, and then concrete is poured. The studs and concrete form…