stainless steel screw Made by stainless steel with high quality and various kinds,all knids of head tap you can choose for used stainless steel screwStandard:DIN, ANSI, GB, JISMaterial: stainless steel, carbon steel, steelSize: variousStrength: 4.6,4.8,5.6,5.8,6.8,8.8,10.9,12.9Finish: zinc plated in yellow, blue, white.or according to customers requirements.Packing: export packing (carton bulk ...