High Tensile J hook Anchor Bolt

High Tensile J hook Anchor Bolt Product  : hook bolt sleeve expansion anchor Standard :GB Specification ：M12X70  Material： Carbon steel 4.8 grade,8.8 grade,10.9 grade, 12.9 grade;   stainless steel 202,304,316,316 L ;Brass Productive Process:wire rod→Anneal→Acid cleaning →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 cert   ROHs Packaging :product bulk in plastic bag→Carton box→Wood pallet Application:…

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