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

The cup head pin is a insulation fastener which is used for fasten the insulation to the sheet metal of insulation construction. It works with a welding machine, through welding for fasten the insulation.
The washer are made of 0.4mm thickness sheet metal, the pin can be in 12GA or 14GA, the plating can be galvanized or cooper plated. When washer with a kratf paper, it will provide protection when weld through foil faced insulation, when pin with plastic sleeve, it will provide protection when weld through tin faced insulation
Material
Standard material: Low Carbon steel, Stainless steel
Plating
Pin-Galvanized coating or cooper plating
Washer: Galvanized coating
Size
Washer: 1-3/16"  1-1/2"
Pin diameter: 12GA(2.7mm) 14GA(2.0mm)
Length
3/8" 5/8" 7/8" 1" 1-1/8" 1-3/8" 1-5/8" 1-7/8" 2" 2-1/8" 2-3/8" 2-7/8" 3" etc
Accept customization for other lengths
Application
1: Position insulation
2: Press cup head pin through insulation
3: Weld in place to complete installation