' Description: A round flat washer, used under a nut to minimise surface or finish damage when tightening the nut. Also spreads load forces preventing the nut from pulling into soft materials Featuring a Tech-Shield coating, these Zenith washers are designed to last. Tech-Shield coating provides up to 4 times the protection of HDG when used in treated timbers (resists corrosion caused by timber treatment) Tech-Shield is an advanced technical coating, specially formulated to protect the bolt from the chemicals found in both CCA and ACQ treated pine, reducing the risk of corrosion and prolonging the life of the bolt. Assists in distributing the load of a threaded fastener Metric sizing '
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‘ Description: A round flat washer, used under a nut to minimise surface or finish damage when tightening the nut. Also s