The SS304 Bolt Nut Washer Assembly and SS316 Bolt Nut Washer Assembly are premium-grade fastening systems designed for superior strength, corrosion resistance, and long-term durability. Engineered for demanding industrial, construction, and marine environments, these assemblies provide reliable performance in both indoor and outdoor applications.
Manufactured from high-quality 304 stainless steel, this assembly offers excellent resistance to oxidation and corrosion in normal atmospheric conditions. It is widely used in construction, machinery, automotive, and general engineering applications.
Made from marine-grade 316 stainless steel, this variant provides enhanced resistance to chlorides, saltwater, and harsh chemicals. It is ideal for marine environments, chemical processing, and coastal infrastructure projects.
Exceptional corrosion and rust resistance
High tensile strength and load-bearing capacity
Precision threading for secure and tight fastening
Complete assembly: bolt, nut, and washer included
Suitable for high-temperature and high-humidity environments
Long service life with minimal maintenance
Material Grades: SS304 / SS316
Standard: DIN, ASTM, ISO, JIS
Sizes: M3 – M64 (custom sizes available)
Thread Type: Metric / UNC / UNF
Finish: Plain, passivated, or polished
Head Type: Hex head (custom options available)
Construction and structural engineering
Marine and offshore equipment
Oil & gas and chemical industries
Automotive and transportation
Machinery manufacturing
Renewable energy systems
Compared with standard carbon steel fasteners, SS304 and SS316 bolt nut washer assemblies offer significantly improved resistance to corrosion and environmental damage. SS316, in particular, is the preferred choice for highly corrosive environments due to its molybdenum content, ensuring longer service life and reduced replacement costs.
We provide OEM and ODM services to meet specific project requirements, including custom dimensions, thread types, surface treatments, and packaging solutions.
Strict quality control and international certifications
Advanced manufacturing technology
Competitive pricing with bulk supply capability
Fast delivery and reliable global logistics support
