Asons Enterprise is the supplier of Crest Fixing Fastener. Fasteners of Asons Enterprise comply with international standard such as DIN 7304 and AS3566. The Crest Fixing Fastener is available with hex washer flanged, levin 3 drill point, EPDM washers and class 3. The crest fixing fastener is suitable for applications such as crest fixing of roofing sheets and drilling through steel sheets and steel purlins with thickness of up to 4.5mm.