Weston Stainless, based in Midland, UK, is a trusted supplier of high-quality stainless steel products, serving industries such as construction, marine, and manufacturing with precision-engineered materials. Stainless Steel 316 Fasteners, made from austenitic stainless steel, provide excellent corrosion resistance, strength, and durability. Available in various shapes like bolts, nuts, screws, washers, and studs, they are composed of 16-18% chromium, 10-14% nickel, and 2-3% molybdenum, enhancing their resistance to chloride corrosion and extreme environments. These fasteners are ideal for marine, chemical, and high-temperature applications, ensuring secure and long-lasting connections in demanding industrial settings.
Stainless Steel 316 Fasteners are composed of iron, 16-18% chromium, 10-14% nickel, 2-3% molybdenum, along with manganese, silicon, phosphorus, and sulfur, providing superior corrosion resistance and strength. Their mechanical properties include a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%, ensuring durability under extreme conditions. Physically, they have a density of 8.0 g/cm³, a melting point of 1370-1400°C, and a thermal conductivity of 16.3 W/m·K, making them highly resistant to high temperatures, pressure, and corrosive environments, ideal for marine, chemical, and industrial applications.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
C | Mn | Si | P | S | Cr | Mo | Ni | N | ||
SS 316 Fasteners | Min | – | – | – | 0 | – | 16.0 | 2.00 | 10.0 | – |
Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Exceptional durability in harsh environments. Available in sizes from M2 to M30 and lengths from 6mm to 300mm, they are used in applications that require high strength and resistance to rust and corrosion.
Reliable performance in challenging marine and chemical environments. They match bolt sizes from M2 to M30, with thicknesses typically ranging from 2mm to 60mm, ensuring secure fastening and durability.
Designed for heavy-duty applications where strength and longevity are crucial. Common sizes range from M4 to M36, with lengths from 20mm to 600mm, making them suitable for high-tensile strength requirements.
Versatility and robustness for a variety of uses, including outdoor and marine applications. They come in sizes from M2 to M24 and lengths from 6mm to 200mm, and they are available in different head types and thread patterns.
Used in construction and machinery for their strength and reliability. They typically come in diameters from M6 to M30 and lengths ranging from 100mm to 3000mm, suited for various structural applications.
Essential for load distribution and preventing loosening in various applications. They are sized to fit bolts from M2 to M30, with thicknesses from 0.5mm to 5mm, ensuring stability and even pressure distribution.
Stainless Steel 316 Fasteners are widely used in industries requiring high corrosion resistance, strength, and durability. In the marine industry, they secure components in seawater environments, preventing rust and degradation. The chemical and petrochemical industries use them in piping, valves, and equipment exposed to harsh chemicals. They are essential in food processing, pharmaceuticals, and medical applications for hygienic and contamination-free assembly. Additionally, they are used in power plants, oil and gas refineries, construction, and automotive sectors, providing secure, long-lasting connections in high-pressure, high-temperature, and corrosive environments for reliable industrial performance.
Stainless steel 316 fasteners are widely used in the marine, chemical and pharmaceutical industries. Due to their excellent corrosion resistance and durability. They are ideal for use in saltwater environments as well as in chemical products and medical equipment. Their pitting resistance and crevice corrosion makes them suitable for use in extreme conditions. The most common use is to protect the contents of boats, offshore structures, industrial machinery and equipment. Their strength and high temperature resistance make them suitable for various high stress applications.







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