Asons Enterprise offers Levin 5 Fastener. Fasteners of Asons Enterprise comply with international standard such as DIN 7304 and AS3566. The Levin 5 Fastener is available with hex washer head, levin 5 drill points, and aluminum bonded washers and class 3. These are commonly used for thick steel application and drilling purpose through steel sheets and steel purlins with thickness of up to 12.5mm.