... have any kinds of products to offer your need. stainless steel internal anchringStandards: DIN ,ANSI/ASME, BS, GB, JIS, Non- ... standardMaterial: Carbon steel, stainless steel, alloys steel.Class: 4.8,8.8,10.9,12.9 ... , Southeast Asia, etc. Professional production and processing: nut, nuts, pin shaft, stud bolt,screws, bolts, non-standard bolt, non-standard nut ...