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Insulation washers are used with weld pins and anchors to fasten and secure insulation. They are most commonly purchased as square or round washers in either mild or stainless steel. The gauge of the pin should match the fastener it is to be affixed onto. Standard sizes for insulation washers are 1-1/4”, 1-1/2”, and 2-1/2” and 10 gauge, 12 gauge, and 14 gauge. View our selection of insulation washers below.

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