... special fastener field 1,Name: Steel special nail;Steel nail;Steel nail2,For the similar nail,what can we do ?(1), Ability ... for the material of this kind of nail: Grade3.6,4.6,4.8,5.6,6.8 ... .32Straightness0.01/200mm 3,How about the packing details?Plastic bags inside,then carton(normally32cm*23cm*13cm),then fumigation ... fastener ,especially the cutting/turning parts. Steel special nail