Structural steel connections for connecting to square, rectangular or circular structural tube or to conventional steel where access is available from one side only poses problems. A technology was needed which could provide a quicker and tidier installation than traditional methods such as welding, unsightly strapping or drilling and tapping holes. The invention of the Hollo-Bolt® provided such a solution.
Fact Sheet ID Number
Structural Connection Technologies
hollo bolt, blind connector, structural steelwork, lidapter, structural connection
Date of this Version
ECT Team, Purdue, "Hollo-Bolt®: Blind Connector for Structural Steelwork" (2008). ECT Fact Sheets. Paper 99.