... steel 3.Surfface:galvanized 4.Packing:wooden pallet Pipe washer from china 1. Standard:DIN, ANSI, BSW, ... products welcome.6. Surface treatment:Plain, black finished, Zinc plated (Galv), Hot Dip Galvanized, Nickel, phosphate black, ... SS430,carbon steel,alloy or as request Finishnickel plated, passivation,black oxide,self color SizeM6-M36Length18mm- ... pictures for your reference: Pipe washer from china