Hollo Bolt
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China Factory Supplier Chinese Manufacturer Wholesaler Hollo-Bolts ICC-ES approved expansion bolts – an expansion bolt for Structural Hollow Sections (SHS/HSS)
A Hollo-Bolt is a fastener used to connect steel to hollow sections, such as square, rectangular, or circular hollow structural sections (HSS). They can also be used for conventional steelwork where access is only available from one side.