PMJ-tec bi-metal stainless steel fasteners for built up trapezoidal wall systems 7510 5.5 x 2816 Washer 7510 5.5 x 2816 WasherColour matched 7510 5.5 x 2816 Washer 7550 6.3 x 2516 WasherColour matched Application / Fastener range Substrate< 2 x 1.2mm1.2 – 3.5mm1.5 – 6.0mm4.0 – 12.5mm Bracket / Liner / Profile 7510 75207530Internal flashing 7140Profile stitch 7550