... Quality PackingDelivery Detail FOB NINGBOSpecifications(1). Product: Hex bolt and nut(2). Standard: DIN6914(3). Grade:8.8(4). Size: M16 ... your drawing or your sampleRegarding to Nuts Type of NutSquare,Hex,Flange,Hex socket,T-type,Coupling,wheel ,acorn,tapper,and so onRegarding ... manufacturing fasteners DIN6914/6915 Hex Nuts M12-M33 Bolt and Nut