Sirius 10.9 Grade Socket Countersunk Screws BZP

This M20 x 55mm Sirius Grade 10.9 Socket Countersunk Screw BZP is a large, high-strength fastener suited to heavy structural and industrial applications. The M20 thread and 55mm length deliver exceptional tensile performance through thick sections, making this an ideal choice for demanding engineering projects. Features and Benefits: • Grade 10.9 high-tensile steel construction • BZP finish for corrosion resistance • 90° countersunk head for a flush finish • Hex socket drive reduces cam-out risk • Precision rolled threads for secure fastening Specifications: Size: M20 Lengt