Stainess steel S hook Cold and polished Min dia:1mm SGS audited More than ... fastener field 1,Name: Stainess steel S hook;S hook;Stainess steel hook2,For the similar hook,what can we do ?(1), Ability ... for the material of this kind of hook: Grade3.6,4.6,4.8,5.6,6.8 ... most competitive industry is machined hardware fastener ,especially the cutting/turning parts. Stainess steel S hook