Water resistant, dust resistant, inactive with salts, acids, alkalis, alcohols, oils and greases as well as general dissolvent. Specification of thread: G, metric and PGProduct material: Location A.C and F are made of high-quality thickened zinc alloy, B.E made of chemigums and D is made of iron sheet.Color: Metal color (white)Working temperature: -40degree~+100degree, instantaneously can be + ...