The Sirius A4 316 Hex Full Nut in M27 is a large heavy-duty fastener designed for significant structural loads in civil engineering, offshore and industrial environments. The M27 size is ideal for large-diameter threaded rod assemblies, heavy plant and major marine or coastal structures. Manufactured from A4 316 stainless steel for outstanding resistance to rust, saltwater and chemicals. Features and Benefits: • A4 316 stainless steel construction • Full-height design for maximum thread engagement • Hexagonal profile for use with standard spanners and sockets • Precision metric thread for a secure, consistent fit • Maintenance-free, long-lasting finish