1000/500/250pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12-M30 304 Stainless Steel Flat Plain Washers Metal Washer For Bolts 1000/500/250pcs M1.6 M2 M2.5 M3 M4 M5 M6 M8 M10 M12-M30 304 Stainless Steel Flat Plain Washers Metal Washer For Bolts. Sale price : $5.40 Category : Home Improvement