... bolts color:white,black,bright zinc plated,and so on material: stainless steel,iron,and so on. 1,Products DetailesMaterial1.Stainless ... steel: C1006,C1010,C1018,C1022,C1035K,C1045 8, Alloy steel: SCM435,10B21Specification& gaugeM0.8-M10 Surface FinishingZn- Plated,Ni-plated,Passivated ...