With this assorted kit, you will receive the following: 10x M6 x 16mm Hex Flanged Bolts, 10x M6 x 20mm Hex Flanged Bolts, 10x M6 x 25mm Hex Flanged Bolts, 10x M6 x 30mm Hex Flanged Bolts, 40x M6 Square Spring Washers, 40x M6 Flat Washers, 40x M6 Nyloc Lock Nuts and 40x M6 Hexagon Full Nuts.
eBay