Qualfast: M20 Hex Nut A4 (80) For use with class 8.8 bolts, these alloy steel, class 8, full hexagon nuts are ideal for all medium tensile applications. With an as-produced, oiled finish, the nuts are ISO metric threaded and are available to purchase in differing sizes to suit your specific needs Features and Benefits Manufactured from Class 8 alloy steel making for a resilient product Available in varying sizes to suit an array of bolt sizes Sold in various quantities to allow you to select your desired amount As produced finish offers some additional shelf life Typical Applications Construction Engineering DIY Plumbing Automotive Standards DIN 934 EN 24032 ISO 4032 MPN: M20 Hex Nut A4 (80) Attributes: Box Quantity: 10 Driving Features: Hexagon Grade: 80 Material: A4 Stainless Surface Treatment: Plain Thread: Metric Thread Direction: Right Thread Size: M20 Thread Standard: Metric