7115 Range Stitch overlapping sinusoidal façade panel LengthMaximum clampMinimum clamp 25 mm4 mm1 mm Washer 12 mm diameter stainless bonded to vulcanised EPDM Dimensions Thread diameter : 5.5 mmThread pitch : 1.8 mmDrill point diameter : 3.6 mm Material A2 / 304 grade stainless steel with hardened carbon steel drill point Finish Dural 250 Colour Mill finish headPowder coated head Downloads Roofing and Cladding Brochure See also Sinusoidal profile to light section