Mitchell Stainless is a well-respected and established manufacturer and supplier of top-notch Stainless Steel Nuts based in Hamilton, New Zealand. Known for their precision engineering and commitment to customer satisfaction, this company consistently delivers products that adhere to international performance and safety standards. Their stainless steel nuts are produced using cutting-edge manufacturing technology, guaranteeing exceptional strength, corrosion resistance, and durability across various industrial settings. Catering to industries like construction, automotive, marine, and heavy engineering, Mitchell Stainless is dedicated to offering reliable fastening solutions tailored to meet customer needs. Their expertise, quality control, and prompt delivery have made them a leading supplier in New Zealand.
The Stainless Steel Nuts provided by Mitchell Stainless are crafted from high-quality materials such as SS 304, SS 316, and other corrosion-resistant alloys. These materials typically include chromium, nickel, molybdenum, and trace amounts of carbon to boost strength, oxidation resistance, and stability. The nuts boast impressive mechanical properties, featuring high tensile strength, excellent hardness, and the capability to endure high-pressure and high-temperature conditions. Their remarkable corrosion resistance makes them perfect for challenging or marine environments. Built for long-lasting performance, these stainless steel nuts offer dependable fastening solutions for demanding industrial applications.
| Material | Stainless Steel Nuts |
| Standard | ASTM / ASME A/SA 193 / 194 |
| Grades | B8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4 |
| Element | Stainless Steel Nuts |
| Ni | 8.0 – 10.5 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 15.0 – 18.0 |
| Mo | – |
| N | 0.10 |
| Element | SS Nuts |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
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Mitchell Stainless assures its customers that all Stainless Steel Nuts delivered have consistent performance and are tested in a wide range of tests like hardness testing, spectro analysis, PMI, and flaring tests. In addition, we also do micro and macro tests, pitting resistance, and IGC tests to ensure quality in every material delivered. In addition to our comprehensive testing procedures, we ensure full documentation, commercial invoices, packaging lists detailing net and gross weights, box numbers, and labels, besides a legalized or attested Certificate of Origin complemented by Third-Party Inspection Certificates, which gives complete assurance to the purchaser of our absolute commitment for superior products and unmatched customer satisfaction.
Yes, stainless steel nuts can be welded, but the process requires proper preparation and equipment. Ensuring the right welding method and parameters is key to maintaining their strength and corrosion resistance.
Yes, we provide ss nuts standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@mitchellstainless.co.nz
Stainless steel nuts can be magnetic depending on the grade. Austenitic stainless steels (e.g., 304, 316) are typically non-magnetic, while ferritic and martensitic grades (e.g., 430, 410) are magnetic.
Yes, stainless steel nuts can be used for underground applications due to their corrosion resistance. However, the specific grade chosen should be suitable for the environmental conditions, such as moisture and soil composition.
Mitchell Stainless’s Stainless Steel Nuts are extensively utilized across various industries thanks to their strength, durability, and corrosion-resistant qualities. In construction, they play a crucial role in securing structural components and frameworks, while in automotive and mechanical engineering, they ensure the reliable assembly of engines, machinery, and precision equipment. Their resistance to moisture and chemicals makes them particularly suitable for marine applications, chemical processing, and other environments where durability is key. Whether it’s for heavy-duty projects or intricate machinery, these stainless steel nuts are a go-to choice for professionals seeking reliable fastening solutions.







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