Spring affect of washer is used to counter shrinkage of wood members.
Hot dip galvanized.
steel.
We are a manufacturer that integrates research , development and sales of Overhead Transmission Line Hardware, telecom accessories in China. Providing customized services, send us your proposal.
Tags: preformed guy grip , stay rod , cross arm , insulator , cable accessories.hot dip galvanized steel fittings....etc.
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