Sirius 10.9 Grade Socket Countersunk Screws BZP

This M4 x 30mm Sirius Grade 10.9 Socket Countersunk Screw BZP provides a longer thread engagement for M4 applications. The 30mm length suits assemblies involving multiple layers or deeper material sections where a small-diameter, high-tensile fastener with a flush head is required. 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 • Pr