... Dacrotizing plated and your requirementOthersWe can make accroding to your drawing or your sampleRegarding to Nuts Type of NutSquare,Hex,Flange,Hex socket, ... T-type,Coupling,wheel ,acorn,tapper,and so onRegarding to Washers Type of ... ) We have 10years experience of manufacturing fasteners DIN6914/6915 Hex Nuts M12-M33 Bolt and Nut