Descriptions: M8 metric round coupling connector nuts, 12mm outside diameter, 15mm height. All connectors are fully threaded internally. Connectors are used to connect two threaded parts together. Ideal for welding into tubes to manufacture 4 link bars, ladder bars, wishbones, castor arms, compression struts, watts linkages etc. Save time by using these in place of dilling and tapping out solid steel. .
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