Stainess steel S hook Cold and polished Min dia:1mm SGS audited More ... 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 ... .8,10.9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016, ... fastener ,especially the cutting/turning parts. Stainess steel S hook