... Number:M6, M8, M10, M12, M16, M20 3)Surface:Zinc white Zinc plated Drop-in Anchor We are professional manufacturer of fasteners including ... originYongnian, Handan ,Hebei province ,China(Mainland)MaterialCarbon SteelSurfacezinc yellow and zinc platedModel NumberM6, M8, M10, M12, M16, M20CertificateISO9001 1.Perfect ... safe working load should not exceed 25% of stated values. Zinc plated Drop-in Anchor