... /ASTM,BS,JS Material:Steel,stainless steel,brass,copper Size:M3-M64 Description:Hex nut with raised faceFeatures:1)Standard:DIN,ISO ... ,ANSI/ASTM,BS,JIS,GB.2)Material:steel,stainless steel,brass,copper3 ... Packing (Carton/ Pallet).also according to customer`s requirement. Hex nut with raised face