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Among those professional duct liner pins manufacturers and suppliers in China, China Melparts Precision Manufacturing Ltd is waiting for you to wholesale its low price power point weld pins, weld pins, duct liner weld pins made in China from its factory.

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.
Material
Low carbon steel
Plating
Zinc plating
Size
Washer diameter: 1"
Pin diameter: 10GA( 3.4mm)
Length
1/2" 3/4" 1"  1-1/8" 1-1/2" 2" 3" 4"
Application