This Sirius Roofing Bolt and Nut is an M10 x 180mm fastener, one of the longer M10 options available. Designed for heavy-duty fixings through very deep roofing profiles, substantial structural sections or thick multi-layer assemblies in demanding applications. Features and Benefits: • Supplied complete with matching nut • Large domed head for a neat finish • Square neck prevents spinning during tightening • High-quality steel construction • Precision metric threads Specifications: Size: M10 Length: 180mm Qty: Pack of 1 Contents: Pack of 1