A quilting pin is simply a stainless steel cupped head pin. Cupped Head Insulation Pins simplify the permanent installation of "Duct Liner" or other insulation materials by securing this insulation to duct work or to other heating, ventilating or air conditioning sheet metal configurations and housings.

Specifications:

Stainless Steel

12 or 14 GA

Available in 1", 1-1/2", 2-1/2" and 4-1/2". (Most common are 2-1/2" and 4-1/2")

1.187" diameter washer is standard.

Application: insulation blankets/pads/marine repairs 

Our Quilting pins features:

1: all materials are made from 304 stainless steel or 316 stainless steel

2: The round plates are smooth without sharp edges

3: All stainless steel nails are annealed