DIN934 Hex nuts: Size: M3 - M64 Material: Steel,SS,Brass Surface: ZP,Black,Nickel,Dacromet Price: FOB,CIF,CNF 1) Size: M3-M642) Material: Steel, SS, Brass3) Surface: plain, black, zinc plated, HDG, dacromat, etc4) Packing: Carton/ Pallet, or according to customer's requirement