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Punit Fasteners, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of top-notch stainless steel fasteners, including their well-regarded Stainless Steel 316 nuts. With a strong emphasis on precision engineering, durability, and compliance with international standards, this company provides dependable fastening solutions for a variety of industries. Their Stainless Steel 316 nuts are particularly praised for their exceptional corrosion resistance, making them perfect for marine and chemical environments. Supported by cutting-edge manufacturing technology and a talented workforce, Punit Fasteners serves sectors like pharmaceuticals, food processing, marine, and petrochemicals, delivering products designed for long-lasting performance even in tough and corrosive conditions.
Stainless Steel 316 is an austenitic alloy that contains 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, with a carbon content of up to 0.08%. The inclusion of molybdenum significantly boosts resistance to pitting and crevice corrosion, especially in environments rich in chlorides. These Stainless Steel 316 nuts boast a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 40%. With a Rockwell hardness of approximately 95 HRB, they provide outstanding mechanical strength, corrosion resistance, and weldability, making them ideal for a wide array of demanding industrial applications.
| Element | SS 316 |
| Ni | 10.0 – 14.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.03 max |
| Si | 0.75 max |
| Cr | 16.0 – 18.0 |
| Mo | 2.00 – 3.00 |
| N | 0.10 |
| Element | SS 316 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 217 |
| 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. |
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.
You’ll find Stainless Steel 316 nuts commonly used in industries that demand high corrosion resistance and durability. They’re particularly suited for marine applications, such as boat fittings and offshore structures, thanks to their ability to withstand saltwater corrosion. In the chemical and petrochemical fields, they’re utilized in reactors, tanks, and pipelines. The pharmaceutical and food processing sectors depend on 316 nuts for their hygienic and non-reactive characteristics. Moreover, they’re also found in water treatment plants, heat exchangers, pulp and paper mills, and architectural projects in coastal regions where moisture and salt exposure are prevalent.
At Punit Fasteners, we prioritize quality by rigorously testing each material before delivery. Our comprehensive examinations include IGC, Flaring, Pitting Resistance, Micro and Macro Tests, Chemical Analysis, PMI Testing, Hardness, and Flattening Tests. We provide essential documentation, including packing lists, invoices, and a legally recognized Certificate of Origin. To ensure complete client satisfaction, we also offer a third-party inspection certificate, guaranteeing the highest standards of quality and reliability.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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