Metric and Multistandard offers metric threaded and non-threaded fasteners in a variety of materials. Steel Bolt/Screw/Stud Property Classes: 4.6, 5.8, 8.8, 10.9, 12.9, CL 90, CL 100 Steel Nut Property Classes: 45H, 8, 10, 12, 04/17H, 05/22H Other materials available: Stainless, Brass, Nylon/Plastic, Aluminum, Copper, Bronze Additional materials may be available.  For more additional material availability and for more information please to send Metric & Multistandard a QUOTE.