Detailed Product Description stainless steel fasteners (nut and bolt).Products nameDia. sizestandardMaterialboltsM4-20mmDIN, ISO, ANSI, AMSE, BS, JIS, UNI and Non-standards.Stainless steel SUS 304 SUS ... and Non-standards.Stainless steel SUS 304 SUS 316 and so onTapping screwST2-5mmDIN, ISO, ANSI, AMSE, BS, JIS, UNI and Non-standards.Stainless steel 302HQ and so ...