3.4mm Stud Welding Pins Duct Liner Fastening Insulation Materials To Metal Sheet

Brand Name:Huihao
Certification:ISO9001-2015
Model Number:Duct Liner Pins
Minimum Order Quantity:Negotiable
Delivery Time:5-8 work days
Payment Terms:L/C, T/T, Western Union,PAYPAL
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Location: Shijiazhuang Hebei China
Address: No.265 of zhongshan road ,shijiazhuang city ,heibei province ,china 050000
Supplier`s last login times: within 42 hours
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Product Details

3.4mm Galvanized Steel Duct Liner Pins Fastening Insulation Materials To Metal Sheet

Quick Details Of The 3.4mm Duct Liner Pins

Galvanized steel or stainless steel Duct Liner Pins are used to fasten insulation materials to

steel duct work or other steel surfaces.

The pins are welded to the metal after they pierce through the insulation and make contact

with the surface. A Capacitor Discharge Stud Welding Machine is necessary for the use of

the cup head Duct Liner Pins.


Item: Duct Liner Pins

Material: Mild Steel

Surface Finish: Galvanized Steel

Head Size: 1“ (25mm)

Head Thickness: 0.5mm

Pin Diameter: 0.135"(3.4 mm)

Pin Length: as your request



Description Of The Duct Liner Cup Head Weld Pins


Cup Head Weld Pins are used by leading air conditioning, sheet metal and mechanical

contractors for duct work in commercial, residential and industrial buildings.



ItemCup Head Weld Pins
BrandHuihao Custom
MaterialMild steel
PlatingStandard is GalvanizedStandard Washer is Galvanized
Copper Plating is available
BevelWasher edge is beveled to prevent cutting of insulation material
Stainless steelNot standard, but available by special order
Head with paperAvailable, for welding through aluminum foil faced insulation materials
Pin with tubesAvailable, for welding through tin foil faced insulation materials
Head Size1-1/2" (38mm), 1-3/16" (30mm)
Head Thickness0.5mm or 0.4mm
Pin Diameter0.135" (3.4mm), 0.106"(2.7mm), 0.08"(2.0mm)
Pin Lengthas your request


FAQ Of The Duct Liner Cup Head Weld Pins


1. Are you manufacture or trader?

  • We are the manufacture and we sell what we make.

2. Do you support product customization?

  • Yes, the material, the size, the length all could be customizied according to your request.

3. Can you accept small orders?

  • Yes, for common size, we could accept small orders.

4. Can i get samples?

  • Yes, for common size, samples for quality confirm is supported in our company.

5. What is your advantages for the cup head weld pins?

  • Competitive price: we sale what we manufacture.
  • Excellent quality: we have rich experience, our products are in line with international standard.
  • Good after-sale service: we offer good after-sale service for each order.
  • Our cup head weld pins are consist in price, quality and delivery service.

Related Products


Item: Conical Tip CD Weld Pins

Material: Mild Steel

Surface: Copper Coating

Diamter: 3mm, 4mm, 5mm
Length: as your request

Item: CD Bimetallic Weld Pins

Head Material: Aluminum Base

Pin material: Stainless Steel

Pin Diameter: 3mm

Pin Length: as your request

Item: CD Bimetallic Weld Pins

Head Material: Aluminum Base

Pin material: Mild Steel

Surface Finish: Copper Coating

Pin Diameter: 3mm

Pin Length: as your request


China 3.4mm Stud Welding Pins Duct Liner Fastening Insulation Materials To Metal Sheet supplier

3.4mm Stud Welding Pins Duct Liner Fastening Insulation Materials To Metal Sheet

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