Among those professional weld pin manufacturers and suppliers in China,Website:http://www.insulationpin.net, China Melparts Precision Manufacturing Ltd is waiting for you to wholesale its low price weld pin made in China from its factory. Duct liner pins Duct liner pins is a insulation fastener that is used for fastening the duct liner to the inside sheet metal of air duct, they are designed to work with the auto-feed weld machine.MaterialLow carbon steelPlatingZinc platingSizeWasher diameter: 1"Pin diameter: 10GA( 3.4mm)Length1/2" 3/4" 1" 1-1/8" 1-1/2" 2"
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