... screw nail DIN,ISO,ANSI,GB Material: #45 Size:2.0mm---5.0mm Prompt good,free for samples The High quality screw nail Use: screw ... /black zinc plated1.The specification of High quality screw nail Product name High quality screw nail Specification 2.0mm---5.0mmMaterialMild/medium ... /high carbon steel,13#,16#,20#,25#,30#, ...