Cup Head Weld Pins

Cup Head Weld Pins

Cup Head Weld Pins

Designed to weld through and secure wraps insulation to HVAC ducts as well as other metal applications like ovens, tanks, and boilers.

Insulation cup head pins are made of a weld pin with a retaining head.

Available in 1.5” or 3”.

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  • Excellent insulation fastening solution
  • Suitable for wide range of insulation products
  • Made of mild steel
  • Applied with welding equipment
  • Once the pin is welded in place, insulation is impaled over the pin and held in place with an insulation washer.


  • Round washer
  • Rectangular washer


  • 1.5″ , 3″ and more

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