Hex Stainless Steel Socket Head Bolt
Hex Stainless Steel Socket Head Bolt Product hex stainess socket bolts Standard DIN Specification M2-M26 Material Carbon steel4.8grade,8.8grade,10.9grade,12.9grade; stainless steel202,304,316,316L;Brass Productive Process wire rod→Anneal→Acid cleaing→Draw wire→molding and rolling thread→Heat treatment→Surface treat →Packing Surface treat Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip galvanized,Copper plating,Gold plating,Chromium Plating. Quality Control Raw material inspect→process monitoring→Product test→Packaging check Certification ISO9001:2008 CE [...]
