Njabulo Stainless, located in Cape Town, South Africa, stands out as a top-notch manufacturer and supplier of premium stainless steel fasteners, with a particular focus on Stainless Steel 310S Nuts. Known for their precision engineering and exceptional durability, Njabulo Stainless serves a wide array of industries that need dependable and corrosion-resistant fastening solutions. The company places a strong emphasis on quality assurance, making sure that every nut adheres to strict international standards. With a dedication to customer satisfaction, Njabulo Stainless blends cutting-edge manufacturing technology with expert craftsmanship, delivering products that consistently perform well even in extreme conditions, from high heat to harsh chemical environments, earning their reputation as a trusted choice both locally and globally.
Stainless Steel 310S Nuts are primarily made of iron, featuring high levels of chromium (24–26%) and nickel (19–22%), which significantly boost their resistance to oxidation and corrosion. This type of austenitic stainless steel also includes trace amounts of manganese, silicon, and carbon (≤0.08%), ensuring excellent thermal stability. On the mechanical side, 310S nuts provide moderate tensile strength, high resistance to creep and rupture at elevated temperatures, and outstanding toughness. Their ability to maintain structural integrity in tough conditions makes them perfect for high-temperature applications, where other steels might quickly fail or oxidize, ensuring long-lasting reliability and performance in demanding environments.
| Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
|---|---|
| Fasteners size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of Stainless Steel Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard SS Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 SS Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated Stainless Steel Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | Stainless steel : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Stainless Steel, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
|
SS 310S |
0.08 max |
2.0 max |
1.00 max |
0.045 max |
0.030 max |
24.00 – 26.00 |
0.75 max |
19.00 – 21.00 |
53.095 min |
Contact us to get a quick quote for your requirement.
Corrosion-resistant product ideal for high-temperature environments. Stainless Steel 310S Nuts are available in sizes from M6 to M36, suitable for furnace parts, heat exchangers, and chemical processing equipment where durability and heat resistance are crucial.
Stainless Steel 310S Coupling Nuts are designed for joining threaded rods in extreme conditions. Sizes range from M6 to M36, making them ideal for high-heat and corrosive applications such as in chemical processing and power generation.
Featuring a nylon insert for secure fastening, Stainless Steel 310S Nylon Insert Nuts are available in sizes from M6 to M24. They provide stability and resist high temperatures, making them suitable for use in industrial machinery and heat exchangers.
Stainless Steel 310S Flange Hex Nuts offer enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in high-temperature applications such as furnace construction and chemical processing where strong support is needed.
Engineered for high-stress and high-temperature environments, Stainless Steel 310S Heavy Hex Nuts are available in sizes from M6 to M36. They are ideal for use in applications like heat exchangers and industrial machinery, offering exceptional strength and durability.
Stainless Steel 310S Square Nuts provide a large surface area for effective torque application. Sizes range from M6 to M24, making them suitable for high-temperature applications where secure fastening and heat resistance are essential.
We ensure careful packing and shipping of our Stainless Steel 310S Nuts. The nuts are placed in a wooden box with strips for secure locking, and are packaged in waterproof material. For easy transportation, they are designed for easy handling. Essential documents such as a commercial invoice, certificate of origin, fumigation certificate, heat treatment chart, quality assurance plan, and material testing certificates are included with the nuts. Ensuring the products reach our customers in perfect condition and on time is our top priority to guarantee their complete satisfaction.
Stainless Steel 310S Nuts are commonly found in industries where high temperature and corrosion resistance are essential. They are perfect for furnace components, heat exchangers, kilns, gas turbines, and exhaust systems, providing stability even under extreme heat. These nuts are also utilized in chemical processing plants, petrochemical industries, and power generation facilities, where exposure to harsh chemicals and high temperatures is a regular occurrence. Additionally, 310S nuts are used in marine and aerospace equipment, food processing, and pharmaceutical applications, showcasing their versatility and reliability across various sectors.







©2024 Njabulo Stainless All Rights Reserved.