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Brand Name : HUIHAO
Model Number : duct liner cup head pins
Certification : ISO9001-2015
Place of Origin : china
MOQ : 50000pcs
Payment Terms : L/C, T/T
Supply Ability : 100,000 pcs per 10 days
Delivery Time : 10 days after confirm the order
Packaging Details : by carton or pail to be request ,then on pallet
Name : 3.4mm cup head pins
Material : mild steel ,stainless steel
Base size : 25mm,30mm
Base type : without paper or with paper ,with gold seal
Pin dia : 2.7mm,3.0mm,3.4mm
Pin length : 25mm-300mm
Sample : support
Service : DDP service
Product name:cup head pin ,cup head weld pins ,duct liner pins ,sutd welding pins
Material :low carbon steel or stainless steel for pin and washer
Plating :galvanized/copper plating for pin ,galvanized for washer
Washer dia :25mm,30mm
Pin dia :12GA(2.7mm),3.0mm,3.4mm
Pin length :25mm,38mm,50mm,75mm,100mm, 120mm.130mm,150mm,170,mm ect
Bevel Washer edge is beveled to prevent cutting of insulation material.
Paper Insulating Washers available for welding through foil faced insulation.
Paper insulating washers can be ordered separately or factory installed.
Cup head weld pin is mainly used for fasten the insulation to the sheet metal of insulation
construction. It works with welding equipment, through welding for fasten the insulation.
| Pin dia | Pin length | Pin material | Base dia | pin material | finished |
| 2.7mm | 25mm,38mm,50mm, 75mm,100mm,up to 300mm | mild steel, stainless steel, copper | 25mm,30mm | mild steel, stainless steel, copper | zinc/ copper plating |
| 3.0mm | 25mm,38mm,50mm, 75mm,100mm,up to 300mm | mild steel, stainless steel, copper | 25mm,30mm | mild steel, stainless steel, copper | zinc/ copper plating |
| 3.4mm | 25mm,38mm,50mm, 75mm,100mm,up to 300mm | mild steel, stainless steel, copper | 25mm,30mm | mild steel, stainless steel, copper | zinc/ copper plating |
| custom |
| custom | support custom |
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Recommended assembly method:
1.Work surfaces should be clean and dry, free of dust, grease, oil and any other loose matter.
2.Remove the protective release paper taking care not to touch the adhesive.
3.Place the hanger in the required position and press the base against the surface to be insulated
4.Insulation can be impaled immediately and firmly locked with fastening clips but maximum strength
of adherence is achieved after 24 hours


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| Package of Galvanzied Steel Duct Liner Cup Head Weld Pins : >> Package (we can choose cartbon or pail according your request) 2. to be your requirements. |
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fasteners/insulation anchors manufacturing company,
2.self adhesive pins 3.CD weld pins 4.Bimetallic pin 5.Cup head weld pins 6.Lacing Anchors&Quilting pins &lacing hooks washer 7.all kinds of self locking washers, Dome caps. | ![]() |
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Galvanzied Steel Duct Liner Cup Head Weld Pins With Capacitor Discharge Welder Images |