Andrews Fasteners Online Shop M20 M20 Flat Washer (Sherardized) ISO 7091£0.06 Quantity Add to basket Add to quote SKU: 20WIS Categories: Nuts, Washers, Springs and others, Washers Tags: EN 13811, flat washer, mild steel washer, sherardized washer Share this:TwitterFacebookLinkedInPrintPocket Description Additional information Description M20 Flat Washer Mild Steel Washer Standard: ISO 7091 Hardness: min. 100 HV Sherardized to 30um (EN 13811) ISO 7091 Plain washers – Basic dimensions Additional information Weight 0.0164 kg Related products M36M36 Nut ISO 4032 Nut (Galvanised) Grade 10 £0.95 Add to basket M27M27 Nut ISO 4032 Nut (Zinc) Grade 8 £0.34 Add to basket M22M22 Nut ISO 4032 Nut (Galvanised) Grade 10 £0.21 Add to basket M16M16 Nut ISO 4032 Nut (Galvanised) Grade 10 £0.07 Add to basket