Mitchell Stainless is a well-respected manufacturer and supplier of high-performance Stainless Steel 440C nuts based in Hamilton, New Zealand. Known for their precision engineering and unwavering commitment to quality, the company caters to demanding industrial sectors that require exceptional strength and wear resistance. By blending advanced manufacturing techniques with rigorous quality control, Mitchell Stainless ensures that their 440C nuts deliver reliable performance in critical applications. With a strong emphasis on customer satisfaction, timely delivery, and technical support, they have become a trusted partner for industries seeking durable fastening solutions throughout New Zealand and beyond.
Stainless Steel 440C nuts are crafted from a high-carbon martensitic stainless steel that contains around 0.95–1.20% carbon and 16–18% chromium, along with small amounts of manganese, silicon, and molybdenum. This unique composition provides excellent hardness, impressive tensile strength, and superior wear resistance after heat treatment. 440C nuts also offer good corrosion resistance in mild environments, a high load-bearing capacity, and outstanding fatigue strength, making them ideal for applications that demand durability, precision, and long-lasting mechanical reliability.
STAINLESS STEEL 440C NUTS SPECIFICATIONS |
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| Specifications | IS, BS, ASTM |
| Standard | ASTM / ASME – A/ SA 193 |
| Length | 3 mm to 200 mm |
| Size | M02 to M33 |
| Type | Hex Nuts, Dome Nuts, Hex Machine Screw Nuts, Hex Lock Nuts Nylon Insert, Hex Jam Nuts, Hex Jam Nylon Lock Nuts, Heavy Hex Nuts, Wing Nuts, Cap Nuts, Acorn Nuts, Square Nuts, K-Lock Nuts, Prevailing Torque Lock Nuts, Top Lock Nuts, Two-Way Reversible Lock Nuts, Pin-Lock Nuts, T-Nuts, Coupling Nuts, T-Slot Nuts, Castle Nuts, Flange Nuts Serrated, Machine Hex Nuts, Finished Hex Nuts, Forged Eye Nut, Rivet Nuts, Slotted Hex Nut, Acme Hex Nuts, Nylock Nuts, Anco Locknuts, Flexloc Nuts, Reversible Locknuts, Panel Nut, Poly Nut, Conelock Nut, Self Clinching Nuts, Domed Cap Nuts, Imperial Thread Nuts, Imperial Thread Nylock Nuts, Sleeve Nuts, Thin Nuts, Weld Nuts, High Tensile Nuts, Cage Nuts, Security Nuts, Imperial Nuts, Industrial Nuts, Miscellaneous Nuts, Insert Nuts, Knurled Nuts, Round Nuts |
| Element | SS 440C |
| Ni | – |
| C | 0.95 – 1.20 |
| Mn | 1.0 max |
| P | 0.040 max |
| S | 0.030 max |
| Si | 1.0 max |
| Cr | 16.0 – 18.0 |
| Mo | 0.75 |
| N | – |
| Element | SS 440C |
| Tensile Strength (MPa) min | 758 |
| Yield Strength 0.2% Proof (MPa) min | 448 |
| Elongation (% in 50mm) min | 14 |
| Hardness Rockwell (HR C) | 269HB max# |
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A corrosion-resistant product, Stainless Steel 440C nuts are available in sizes from M6 to M64. Known for their exceptional hardness and wear resistance, these nuts are ideal for high-stress, high-temperature applications in aerospace and industrial machinery.
A corrosion-resistant product, Stainless Steel 440C coupling nuts come in sizes from M6 to M36. They are designed to join two male threads securely, offering high strength and durability in demanding applications.
A corrosion-resistant product, Stainless Steel 440C nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening under vibration, making them suitable for high-stress and high-temperature environments.
A corrosion-resistant product, Stainless Steel 440C flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide even load distribution and enhanced stability in harsh conditions.
A corrosion-resistant product, Stainless Steel 440C heavy hex nuts are available in sizes from M10 to M48. Their increased thickness offers superior strength and durability, making them ideal for heavy-duty and high-stress applications.
A corrosion-resistant product, Stainless Steel 440C square nuts come in sizes from M6 to M30. Their larger surface area ensures a secure grip and stable fastening in high-stress and industrial applications.
Our team has carefully packed these Stainless Steel 440C Nuts with strong materials in the market. Durable wooden boxes and pallets with eco-friendly packing materials have ensured that these nuts are not damaged; they remain clean, thus maintaining their superior quality. The nuts are thus shielded and protected while shipping; no damage occurs. Once packed, the nuts are set for delivery. We assure fast delivery in perfect condition regardless of the distance. We work with trustworthy shipping companies and are committed to efficiency and reliability. The attention to detail and strict quality checks are also a testament to our desire to provide you with the best.
Stainless Steel 440C nuts find their place in a variety of applications where high strength, hardness, and wear resistance are crucial. They are frequently used in aerospace components, automotive assemblies, industrial machinery, and precision engineering equipment. These nuts are also perfect for high-load mechanical systems, tooling, and bearing assemblies where maintaining dimensional stability is essential. In Hamilton, New Zealand, Mitchell Stainless provides 440C nuts to manufacturers and maintenance sectors that require reliable fastening solutions capable of withstanding stress, friction, and moderate corrosive conditions.
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