1.GB series 2.also called as T head bolt or hammer head bolt 3.can be automatically locked when clockwise 4.nickel plated long thread T bolt,T bolt, galvanized t bolt, forged t bolt.Material: zinc or chromium-plated steel.Function:It is a common used connecting piece for assembled profile with fast and simple assembly and disassembly It is also used for part's missed or iincreased assembly.Usage: ...
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