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Rinku Fasteners is a well-respected manufacturer and supplier located in Kolkata, India, renowned for producing top-notch Stainless Steel 416 Nuts tailored to meet a variety of industrial needs. With state-of-the-art production facilities and rigorous quality control, the company guarantees outstanding durability, precision, and reliability in every nut they create. Their SS 416 Nuts are made from a free-machining martensitic stainless steel grade, which not only enhances machinability but also provides excellent strength and wear resistance. Rinku Fasteners delivers fastening solutions that consistently perform well in high-stress environments, making them a go-to choice for engineering, mechanical, and industrial assemblies.
Stainless Steel 416 Nuts are made up of 12–14% chromium, at least 0.15% carbon, and a higher sulfur content (0.15–0.35%) to boost machinability. The alloy also includes trace amounts of manganese, silicon, and phosphorus. This martensitic stainless steel grade is known for its excellent machinability, moderate resistance to corrosion, and solid mechanical strength. SS 416 Nuts offer impressive tensile strength, dependable hardness, and strong wear resistance after heat treatment. With hardness levels reaching up to 35–40 HRC, these nuts are perfect for applications that demand durability, precision, and performance under mechanical stress.
| Component | Wt. % |
| C | Max 0.15 |
| Cr | 13 |
| Fe | 84 |
| Mn | Max 1.25 |
| Mo | Max 0.6 |
| P | Max 0.06 |
| S | Max 0.15 |
| Si | Max 1 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell B | 82 | 82 | |
| Tensile Strength, Ultimate | 515 MPa | 74700 psi | |
| Tensile Strength, Yield | 275 MPa | 39900 psi | at 0.2% offset |
| Elongation at Break | 30 % | 30 % | in 50 mm |
| Modulus of Elasticity | 200 GPa | 29000 ksi | |
| Shear Modulus | 83 GPa | 12000 ksi |
Material | Specification | Standards | Length | Size |
416 Stainless Steel Nuts
| IS BS ASTM | DIN, ISO, JIS, GB, IS, BS, ASTM | 3 mm to 200 mm | M 02 to M 160 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 416 Nuts find their place in various industries that need components with exceptional machinability and reliable mechanical performance. Their strength and wear resistance make them perfect for automotive parts, machinery components, pumps, valves, and general engineering equipment. These nuts are well-suited for environments with moderate corrosion and are commonly used in manufacturing systems, industrial tooling, and mechanical assemblies where precise fastening is essential.
Our commitment to excellence at Rinku Fasteners is reflected in the careful standards we maintain for our stainless steel 416 poles, reflected in our carefully designed packaging solutions. We ensure that each nut is securely fastened using advanced techniques to industry standards, supplemented by detailed documentation including EN 10204/3.1b certificates, PMI test certificates and 100% radiography test reports. Additionally, third-party inspection certifications confirm our commitment to providing exceptional and reliable products. Our stringent packaging process assures that stainless steel 416 nuts arrive in pristine condition, meeting the stringent requirements of our valued customers.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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