Ananka Group is a well-known coated fasteners Manufacturer producing high-quality, marine, and industrial fasteners, which are anti-corrosive. Works Protective Coating Protective finishes are available on coated bolts and coated nuts. Coated bolts are available galvanized (hot-dipped), zinc plated, PTFE coated, Xylan coated, and phosphate. These are alloy, carbon steel, and stainless steel fasteners that meet international standards like ANSI, DIN, ASTM and ISO fasteners. They cannot be dispensed with in such fields as oil and gas, marine, construction, automotive, and power generation, where safety and performance rely on long-term corrosion protection, chemical resistance, and durability.