The cup head pin is a insulation fastener used to fasten the insulation to the sheet metal of insulation construction. through a welding process and is widely accepted as a labor-saving method during the fabrication of removable, reusable insulation blankets.

Specifications
Standard material: Low Carbon steel, Stainless steel

Plating
Pin-Galvanized plating or cooper plating
Washer- Galvanized plating.

Size
Washer: 1-3/16″ 1-1/2″
Pin diameter: 12GA(0.105”), 14GA(0.080”)

Length
3/8″ 5/8″ 7/8″ 1″ 1-1/8″ 1-3/8″ 1-5/8″ 1-7/8″ 2″ 2-1/8″ 2-3/8″ 2-7/8″ 3″ etc.

Bevel
Washer edge is beveled to prevent cutting of insulation material.