STANDARD: DIN6923 & JIS B1190 SIZE: M3 TO M12 MATERIAL: mild steel FINISH: plain, zinc plated STANDARD: DIN6923&JIS B1190SIZE: M3 TO M12MATERIAL: mild steelFINISH: plain, zinc platedPACKING: bulk, box packingGRADE: 4 6 8 10Packing:Box,Carton,Bag,Pallet Hex flange nut