Serrated Safty Washer Serrated Safty Washer Material:Stainless steel 304 Stainless steel 316 Galvanized Note: Brand:GOLA Detailed information PreviousSquare Washer for Channel Steel NextLarge Flat Washer You may love Hexagon Nut Hexagon Domed Cap Nut Nylon Insert Hexagon Lock Nut Metal Insert Hexagon Lock Nut Hexagon Nut with Flange Rivet Nut