Unbranded Fasteners 300pcs sku-18156319394 769212218985

These Unbranded Fasteners are listed as sku-18156319394, UPC 769212218985. The 300pcs package contains 100 sets of 3 pieces: a self-adhesive insulation pin, a self-locking round washer and an aluminum dome cap washer. The listed sizes are 2-1/2inch pins, 1.5 Inch round washers and 7/8 Inch cap washers; the listing also describes the quantity as 300 pcs.

The pins are low-carbon steel with a galvanized coating and a perforated base to help adhesive or gypsum dry. The locking washers are mild steel. To install, clean and dry a flat surface, remove the backing, attach a pin, push it through the insulation, secure it with a washer, trim or bend the excess spindle, and fit the cap. The source recommends at least one pin at each panel corner.

Pins may be soldered, glued or attached with their adhesive backing to concrete, wood or metal. Listed uses include HVAC duct and wall insulation, equipment insulation, presentation boards, fiberglass mats, extruded polystyrene, foam board and wooden board.