1/9/2023 0 Comments Rivet typesIn open-framing concealed fastener roofing applications, hex head fasteners are installed through a floating clip. Hex head fasteners are used when attaching metal roofing panels to metal purlins. For saltwater environments where galvanized steel fasteners will corrode quicker, stainless steel pancake head fasteners are available in 302, 304, and 410 stainless.īoth metal and wood roof decks are suitable for pancake head fasteners. Pancake head fasteners are typically made of carbon steel coated in galvanized steel. Depending on where you buy your fasteners from, most pancake fasteners will have a Phillips or a square drive type tip. Third number (1½” ): Length of the fastenerĮnding letters/descriptor (GP ): Screw point typeįor the most part, pancake head fasteners are split into two categories: regular pancake head and ultra-low profile pancake head.
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