Sirius A4 316 Hex Full Nut Stainless Steel M20

The Sirius A4 316 Hex Full Nut in M20 is a large-format fastener designed for heavy structural, civil engineering and industrial applications. The M20 size provides substantial clamping force, making it a preferred choice for large marine structures, chemical plant pipework and major construction projects. 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