4-1/2 in. Plastic Masonry Fastener

4-1/2 in. Plasti-Grip Plastic Masonry Fastener (PMF) is used to attach 2-1/2 in. to 3 in. rigid insulation or mineral wool to concrete or CMU block. Simply pre-drill a 5/16 in. Dia hole through the insulation into the concrete/CMU, insert anchor and tap flush with a hammer. This all plastic design will not rust or corrode and is thermally efficient.

• 250-pieces per box
• No screws or pins required
• Won't rust or corrode
• Thermally efficient all plastic design
• 4-1/2 in. length
• 2-3/8 in. Dia head
• Insulation fastener