Office Address
- G/81, Ground Floor, C Sarvodaya Nagar, Panjrapole 1st Lane Madhav Baug, Mumbai 400004
- sales@nirvaanoverseas.com
- +91 77386 88058
- +91 22 4014 5829 Call Now
Nirvaan Overseas is a premier Fasteners Manufacturer, Supplier, and Exporter in India, producing standard and custom fasteners from prime stainless steel, duplex, carbon, and alloy stock. Engineered for superior corrosion resistance and high tensile strength across chemical and oil & gas industries, our fasteners meet exact API, ASTM, and ASME specifications.
Nirvaan Overseas manufactures high-tensile SS 304 & 316 Nuts and Bolts, including heavy hex bolts, stud bolts, and lock nuts built to ASME B18.2.1 and DIN standards. We stock SS 304 for standard industrial assemblies and molybdenum-alloyed SS 316/316L for severe marine and chemical pitting resistance.
We supply precision-stamped SS 304 & 316 Washers (DIN 125/127) designed for uniform load distribution and joint integrity under heavy vibration. Our inventory covers flat, spring lock, Belleville, and tooth lock washers engineered for process piping, marine hardware, and structural flange connections.
| Fasteners | Specifications |
|---|---|
| Standard | DIN, UNI, ISO, JIS, GB, IS, BS, ASME, ANSI, ASTM, and all International Standards |
| Fasteners/ Bolts Size | M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M30, M36 to M160 |
| Length | 3 mm to 200 mm |
| Bolts, Studs Threads: | METRIC, BSW, BSF, UNC, UNF, or as required |
| Fasteners Standard: | ANSI – American National Standards Institute
DIN: DIN 931, DIN 933, DIN 934, DIN 970 UTS – Unified Thread Standard: UNC, UNF, UNEF, UNS, NPT, NPTF ISO – International Organization for Standardization: ISO 4032, ISO 4033, JIS standards |
| Source of raw materials | Tata Steel, JSPL, RINL, Usha Martin, Dhamma Steel, Mukund Steel, etc. |
| SCOPE OF MANUFACTURE |
|
| Product Variations |
Nuts & Bolts: Hex Bolts, Heavy Hex Nuts, Stud Bolts, Threaded Rods, Socket Screws Washers: Flat Plain Washers, Spring Lock Washers, Belleville Washers, Tooth Lock Washers |
| Fasteners In Form of: | Hex, Square, Round, Threading as per Gauge Etc. |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| bolting Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Fasteners finishing: | Zinc (yellow, white, blue, black), black oxide, Geometry, Dacroment, anodizing, nickel-plated, plated zinc-nickel, Stainless steel: Passivated Self-Colour, Hot Dip Galvanised (HDG), Bright Zinc Plated (BZP), Sherardized, Stainless Steel, Mechanically Applied coating and some special one like DACROMET |
| Production process | M2-M24: Cold Forging, hot forging M24-M100, machining, and CNC for Customized connecting element |
| bolting materials Surface Coating: |
All surface finishes can be supplied, including Zinc, Galvanised, Sherardized, Electroless Nickel, Dacromet, Geomet & PTFE. |
| Grades | |
| Stainless Steel | ASTM / ASME 201, 202, 301, 304, 304L, 310, 310S, 316L, 316TI, 317, 317L, 321, 347, 409, 409M, 409L, 410, 410S, 420, 430, 431, 441, 444, 446, 17.4PH, 904L |
| Super Duplex Steel | S32750 |
| Duplex Steel | ASTM / ASME SA 790 UNS NO S 31803 , S 32205 , S 32550 , S 32750 , S 32760. |
| Carbon Steel | ASTM / ASME A 335 GRP 1 , P 5 , P 9 , P 11 , P 12 , P 22 , P 23 , P 91 |
| Alloys Steel | ASTM / ASME A 691 GRP1 CR , 1 1/4 CR , 2 1/4 CR , 5 CR , 9CR , 91. |
| Alloys A286 | ASTM A 453,AMS 5858,ASTM A 638 |
| Alloys 20 | ASME SB-462 - SB-464,ASME SB-468,ASTM B 462 - B 464,ASTM B 468,ASTM B 472 - B 474,ASTM B 751 |
| 254 SMO | A-276,A-484,A-479 |
| Nickel Alloys | Nickel Alloys 200, Nickel Alloys 201 |
| Brass | C510, C51000,C220, C22000,C798, C79800 |
| Bronze | C725, C72500,C544, C54400,C752, C75200 |
| Titanium | Grade 1, Grade 4, Grade 5(Ti 6Al-4V), Grade 6(Ti 5Al-2.5Sn), Grade 7, Grade 11, Grade 12, 8Ai-1Mo-1V, Grade 9(3Al-2.5V), 6Al-6V-25n, 6Al-2Sn-4Zr-2Mo, 6Al-7Nb, Grade 23(Ti 6AL-4V ELI), Grade 5 ELI |
| Inconel | Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750 , Inconel 690, Inconel 602, Inconel 617, Inconel 925, Inconel A-289, Inconel AL-6XN, AL-904L |
| Copper Nickel | 70-30 Copper-Nickel (C71500, CW354H),90-10 Copper-Nickel (C70600,CW352H) |
| Invar | α (20–100 °C) of about 1.2 × 10–6 K–1 (1.2 ppm°C) |
| AL6XN | UNS N08367 |
| Incoloyl | Incoloy 800, 800H, 800HT; Incoloy 825; and Incoloy 925. |
| Hastelloy | Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy X, Hastelloy B, Hastelloy N, Hastelloy G |
| Nimonic | Nimonic75, Nimonic80, Nimonic85, Nimonic90, Nimonic263, etc |
| Tantalum | Tantalum - Grade 1. |
| Monel | Monel 400, Monel k500 |
| Aluminium | 1050,1100, 2017, 7150, 7178, 7575, 2050, 7085, 2011 A92011, 2014A A92014, 2024 A92024, 2219, 5052 A95052, 5083 A95083, 5754, 6061 A96061 A86061, 6063, 6082 A96082, 7071 7020, 7050 A97050, 7075 A97075 A87075, 7175 |
| Copper Alloy | C 11000, C 10200, C 12200, C 51100, C 51000, C 51900, C 52000, C 52100, C 74500, C 75700, C 75400, C 76400, C 77000, C 21000, C 22000, C 23000, C 24000, C 26000, C 26800, C 27000, C 27200, C 28000 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 304 Fastener | Min | - | - | - | - | - | 18.0 | - | 8.0 | - |
| Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | - | 10.5 | 0.10 | |
| SS 304L Fastener | Min | - | - | - | - | - | 18.0 | - | 8.0 | - |
| Max | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | - | 12.0 | 0.10 | |
| SS 304H Fastener | Min | 0.04 | - | - | - | - | 18.0 | - | 8.0 | - |
| Max | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | - | 10.5 | - | |
| SS 316 Fastener | Min | - | - | - | 0 | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| SS 316L Fastener | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 | |
| SS 316H Fastener | Min | 0.04 | 0.04 | 0 | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.10 | 0.10 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | - |
| Grade | Tensile Strength (MPa) Min |
Yield Strength (0.2% Offset, MPa) Min |
Elongation (%) Min |
Hardness | |
|---|---|---|---|---|---|
| Hardness (HB) Max | Hardness (HRB) Max | ||||
| SS 304 Fastener | 515 | 205 | 40 | 201 | 92 |
| SS 304L Fastener | 485 | 170 | 40 | 201 | 92 |
| SS 304H Fastener | 515 | 205 | 40 | 201 | 92 |
| SS 316 Fastener | 515 | 205 | 40 | 217 | 95 |
| SS 316L Fastener | 485 | 170 | 40 | 217 | 95 |
| SS 316H Fastener | 515 | 205 | 40 | 217 | 95 |
Our brand name, Nirvaan Overseas, stands for on-time deliveries, competitive pricing, and high-quality Fasteners, and our buyers are familiar with it. Fasteners has also been delivered to a variety of locations and businesses throughout India. If you have any questions about the products or services, send us an email at sales@nirvaanoverseas.com or a WhatsApp message at +91 77386 88058 with your specifications.
| Product supplied | City |
|---|---|
| Fasteners Supplied To Oil & Gas Industry | Rajkot, Gujarat |
| All types of Fasteners Supplied | Ahmedabad, Gujarat |
| Stainless Steel Fasteners | Delhi, New Delhi |
| Carbon Steel Fasteners | Chennai, Kolkata, Pune |
Our Company is one of India's leading Fasteners Manufacturers, Suppliers, and Stockists due to its dependability and performance. Fasteners is delivered to a variety of customers in Indian ports on a monthly basis in a capacity of 45 containers. Our products can be found in a variety of stores around India.
We are globally recognised and promising Fasteners Exporter. Our products are shipped to a range of countries for our newly obtained clientele. We have a large selection of products. While delivering Fasteners, we are able to match our customers' needs and preferences due to our ready supply of Fasteners.
