Hex head Partially Threaded bolts with zinc plated 1,Products DetailesMaterial1.Stainless Steel: SS201, SS303, SS304, ... ,C1022,C1035K,C1045 8, Alloy steel: SCM435,10B21Specification& gaugeM0.8-M10Surface FinishingZn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate ... Manufacture Process 5,Quality Control 6, Strong Package 7,Customer Feedback and Evaluation 8,We are the best Choice ...