This M20 x 90mm Sirius Grade 12.9 Socket Head Cap Screw in BZP finish is an extra-long, large-diameter, heavy-duty fastener for the most demanding structural and industrial engineering applications. The M20 thread and 90mm length deliver maximum thread engagement and clamping force for very thick-section assemblies and heaviest-duty machinery. Features and Benefits: • Grade 12.9 alloy steel for exceptional tensile strength • BZP finish for corrosion resistance in dry environments • Precision hex socket drive minimises cam-out risk • Compact cylindrical head for space-restricted applications • Compatible with standard hex keys and hex bit sockets Specifications: Size: M20 Length: 90mm Qty: Pack of 1 Contents: Pack of 1