A2 stainless steel. Sometimes, a standard bolt just won't cut it. When you need a longer fastener that's both robust and rigid, use this 1m threaded bar. It is made from A2 stainless steel to suit corrosive marine and coastal applications, and is perfect when non-standard fastening sizes are required. 1m threaded rod is a cost-effective fastening solution. A2 stainless steel to suit marine and coastal applications. Perfect for when non-standard fixing sizes are required. Use with stainless steel nuts and washers to avoid cross contamination.