Cupped Head Pins | GLT Products

Quilting Cup Head Pins

Cupped Head Insulation Pins simplify the permanent installation of "Duct Liner" or other insulation materials to duct work or to other heating, ventilating or air conditioning sheet metal configurations and housings.

A fabricated part made up of a weld pin and a staked on retaining washer. Variations of material are available.This product is usually applied with a capacitor discharge stud welder. Used for securing insulation. Also used as a hook-less lacing anchor to secure insulation inside fabricated blankets.

Cup Heads are widely accepted as labor saving fasteners in the thermal and acoustical insulation markets for use in industrial and commercial applications. Some variations of material are available. However, the most popular style Cup Head Weld Pin are produced out of mild steel weld nail with a galvanized-coated mild steel retaining Washer.


  • Low Carbon Steel andĀ  Stainless Steel
  • Low CarbonĀ plated
  • 12 or 14 GA
  • 1-1/2' and 4-1/2" long
  • 1.187" diameter washer is standard.

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