Sirius 10.9 Grade Socket Countersunk Screws BZP M4 20mm Pack of 1

This M4 x 20mm Sirius Grade 10.9 Socket Countersunk Screw BZP provides reliable fastening in light to medium engineering assemblies. The 20mm length ensures solid thread engagement through standard panel and bracket thicknesses while maintaining a clean flush finish. 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