Self-Stick Insulation Pins 3-1/2 Inches (500pcs with 500 Self-Locking Washers)
Do not exceed spacing of 12″ between hangers and 2 lb load per hanger. Insulation pins are driven into a surface to secure insulation materials, while self-locking washers are placed over the pins to distribute pressure and prevent the insulation from tearing.
Perforated Insulation Pins 2-1/2 Inches (500Pcs with Self-Locking Washers(500))
The round self-locking washers are made of mild steel, with a galvanized coating; each washer is 1.5 in. Used in conjunction with weld pins, insulation anchors or lacing anchors to fasten insulation in place.