Sirius 10.9 Grade Socket Countersunk Screws BZP M20 40mm Pack of 1

This M20 x 40mm Sirius Grade 10.9 Socket Countersunk Screw BZP provides maximum-diameter M20 thread strength in a compact 40mm length. Ideal for heavy structural applications where high clamping force is required without deep material penetration, with 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