Njabulo Stainless is a reputable manufacturer and supplier located in Cape Town, South Africa, focusing on top-notch Stainless Steel 304 Nuts. With a strong commitment to precision engineering and outstanding performance, Njabulo Stainless delivers durable fastening solutions that meet international standards. The company caters to a diverse array of industries, including construction, marine, automotive, and manufacturing. Renowned for their corrosion resistance, strength, and versatility, the Stainless Steel 304 Nuts from Njabulo Stainless guarantee reliable performance even in tough environments. Their unwavering dedication to quality, innovation, and customer satisfaction has established them as a leading name in the world of stainless steel fasteners.
Stainless Steel 304 Nuts are crafted from an austenitic stainless steel alloy, primarily made up of 18–20% chromium, 8–10.5% nickel, and a maximum of 0.08% carbon, along with trace amounts of manganese, silicon, and phosphorus. This unique composition offers excellent corrosion resistance and good formability. On the mechanical side, SS 304 boasts a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. These characteristics make 304 stainless steel nuts incredibly durable, non-magnetic when annealed, and suitable for both high- and low-temperature applications.
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Specifications |
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ASTM A 193 ASME SA 193 |
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Standard |
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DIN, ASTM, BS and all International Standards |
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Length |
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3 mm to 200 mm |
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Size |
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M3 – M56 | 3/6″ to 2″ | Custom Sizes |
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Type |
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Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304L | 0.035 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 13 | – |
| 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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Stainless Steel 304L nuts are corrosion-resistant fasteners made from a low-carbon variant of 304 stainless steel. They are ideal for applications exposed to moisture and chemicals, providing excellent durability and performance in diverse environments.
Stainless Steel 304L coupling nuts are used to join two threaded rods or pipes securely. Their low-carbon composition enhances weldability and corrosion resistance, making them suitable for structural and industrial applications where reliable connections are required.
Stainless Steel 304L nylon insert nuts feature a nylon collar that prevents loosening due to vibration. Combining the corrosion resistance of 304L stainless steel with the locking mechanism of nylon, these nuts are ideal for applications needing secure, vibration-resistant fastenings.
Stainless Steel 304L flange hex nuts have an integrated flange that distributes pressure evenly and prevents damage to the surface. Their low-carbon composition ensures enhanced weldability and corrosion resistance, making them ideal for high-performance applications in construction and machinery.
Stainless Steel 304L heavy hex nuts are robust fasteners designed for heavy-duty applications. Their larger, thicker design offers increased strength and durability. Made from low-carbon 304L stainless steel, they provide excellent resistance to corrosion and are suitable for high-stress environments.
Stainless Steel 304L square nuts feature a four-sided design that offers a larger bearing surface for better torque and grip. They are made from low-carbon 304L stainless steel, ensuring superior corrosion resistance and durability for use in various industrial and construction applications.
We give assurance that our Stainless Steel 304L Nuts have high quality assurance. Every order carries basic documents like commercial invoice, packing list, fumigation certificate, heat treatment chart, and a NABL-approved lab test report. Besides, we issue Material Test Certificate per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. We manage our total documentation to give the utmost satisfaction of clients.
Stainless Steel 304 Nuts are widely utilized across various industries thanks to their corrosion resistance, strength, and visual appeal. They find common use in construction, marine, chemical processing, food processing, and automotive sectors. In architecture and infrastructure, they play a crucial role in assembling frameworks, bridges, and equipment that are exposed to moisture. In marine settings, they effectively resist rust caused by saltwater. The food and beverage industry relies on them for assembling hygienic machinery, while the petrochemical sector uses them for pipelines and storage systems. Their versatility and durability make them an excellent choice for fastening applications, whether indoors or outdoors.







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