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The two commonest kinds of connections used in structural steel are welded and bolted connections. The A325 bolt and the A490 bolt are two regularly used variants of structural fasteners. The A325 bolt is a heavy hex bolt manufactured from medium-carbon steel that has been hardened and tempered to enhance its endurance. The fasteners used in structural functions are often shorter, wider and have a bigger bearing floor to increase their load-bearing talents. Structural bolts and nuts from ITA Fasteners comply with nationwide and international standards
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