Stainless Steel Fasteners Manufacturer in India
Vision Alloys is a leading manufacturer of Stainless Steel Fasteners in India. Established in 2015, we are based in Mumbai. We manufacture and supply industrial fasteners in stainless steel, nickel alloys, duplex, and super duplex grades. Our range includes Bolts, Stud Bolts, Nuts, Washers, and Screws. We offer sizes from M6 to M100, covering diameters 1/4″ to 4″. Fasteners are supplied in coatings like Xylan, PTFE, and Teflon. All products meet ASTM, ASME, DIN, and ISO standards. Our fasteners suit oil & gas, petrochemical, and marine applications. We maintain stock for fast, reliable delivery. Standard orders ship within 1 to 2 weeks. Custom sizes are delivered in 4 to 6 weeks. Vision Alloys is a trusted supplier of industrial fasteners in USA, Canada, UK, Spain, South Africa, Poland, Nigeria, Netherlands, Mexico, Singapore, Germany, Italy, Ireland, Denmark, Brazil, Australia, UAE, Saudi Arabia, Qatar, Turkey, Doha, Dammam, and Riyadh. Our fasteners are tested for strength and corrosion resistance. Every batch carries EN 10204 3.1 material certification. We serve refineries, shipyards, and power plants worldwide. Quality, precision, and on-time delivery define our work. Vision Alloys stands for reliability across every industry we serve
- ASME B18.2.1 Bolts
- ASME B18.31.2 Stud Bolts
- ASME B18.2.6M Heavy Hex Bolt
- ASME B18.3 SHC Screw
- ASME B18.6.3 Micro Screws
- ASME B18.2.2 Hex Nut

NACE Certified Supplier of High Strength SS Bolts and Nuts For Oil and Gas Industry As Per ASME B18.2.2 Standards
Get Stainless Steel Bolts and Nuts With Zinc, Dacroment, and Anodizing Finish to Increase The Life in Corrosive Enviroment
Vision Alloys manufactures a complete range of Industrial Fasteners. We supply Fasteners for Oil and Gas industries worldwide. Our products include NACE Certified Fasteners for sour service. We also offer PED Approved Fasteners for pressure equipment. Vision Alloys provides Fasteners for Marine Engineering applications. We manufacture Bolts and Nuts for Ship Repairs. Our range includes reliable Petrochemical Fasteners for refineries. We supply Industry Wise Fasteners for every sector. Each fastener meets strict international quality standards. Our team tests every batch for strength. Fasteners resist corrosion in harsh environments. We serve clients across oil, gas, and marine sectors. Quality and certification remain our top priority

Produce Marine Fasteners in Custom Sizes in BSF, UNF, UNC Thread Types According to ASME, ISO, DIN Standards

In a wide variety of contexts, fasteners serve as a crucial component. The significance of fasteners can be shown in the following examples: Fasteners create a strong bond between materials, ensuring they won’t fall under stress. This is crucial for the security and steadiness of buildings, machines, vehicles, and other things. Because they come in a wide range of sizes, shapes, and materials, fasteners can be used in various contexts and situations. Installation and Removal Ease: Fasteners are simple to install and remove, making them a practical and efficient choice for assembly and disassembly. Longevity: Fasteners are built to withstand intense pressure and wear, so you won’t have to replace them as often. Cost-effective: Fasteners are more cost-effective than other methods of joining objects together, like welding or adhesive bonding
India’s Largest Exporter of Industrial Fasteners Produce Nut Bolts in Austenitic and Martensitic Stainless Steel
About Vision Alloys
Vision Alloys is known for the manufacture and distribution of superior quality of industrial products Like 304 Stainless steel Fasteners, nuts and bolts, screws, washers, 316 industrial fasteners etc. We use modern machinery and advanced technology to manufacture the stainless steel bolts efficiently and are supervised by the trained expert Our dedication to quality, innovation, and client happiness has allowed them to become an industry leader in the production of fasteners. We use only premium materials and cutting-edge manufacturing processes to ensure that its fasteners are up to mark with the highest standards in the business
Standards
- ASTM Standard : ASTM F1554, ASTM A193, ASTM A194 Fasteners are used worldwide, Improve quality and safety
- SAE Standards : Used in automotive, aerospace (military), commercial vehicle industries
- ISO Standard : Solutions for market-relevant global challenges
- Standard DIN : Available in metric dimensions, national, European or international level
- JIS standards : used specifically for the Japanese automobile industry
- BS Standard : available in imperial units which are used in different industries
Value Added Services
We provide various value-added services in addition to its primary fasteners manufacturing business. These include custom fastener design, testing and certification, and logistical assistance. The company’s focus on its customers guarantees they will receive individualized service
- Raw material test certifications providing
- motivated towards the lead time reduction
- Self-inspections report providing
- Striving for greater customer WOW.
- Keeping full pace with the latest technology
Austenitic SS Grades : 303, 304, 316, 310, 321
Martensitic SS Grades : 410, 416, 420, 431, 440A, 440B / C
Check out Steel Forging Facilities and Manufacturing Process of SS Fasteners

- Cold Heading Machines
- Hot Forging Presses
- Dies and Tooling for Fasteners
- Thread Rolling Machines
- Nut Formers
- Quality Control and Inspection Equipment
- Automated Sorting and Packaging Systems
Our Supply Network
Exporting high-strength stainless steel fasteners to industries across 6 continents and 25+ countries
- Germany
- Italy
- Netherlands
- UK
- Spain
- Poland
- Ireland
- Denmark
- Philippines
- USA
- Latin America
- Canada
- Mexico
- Brazil
- South Africa
- Algeria
- Morocco
- Nigeria
- Singapore
- Australia
- New Zealand
- UAE
- Abu Dhabi
- Saudi Arabia
- Riyadh
- Dammam
- Al Jubail
- Al Khobar
- Qatar
- Doha
- Turkey
| Grades | AISI | C | Si | Mn | P | Cr | S | Ni | Mo |
|---|---|---|---|---|---|---|---|---|---|
| A1 | 202 | 0.12 | 1.0 | 6.5 | 16.0 – 19.0 | 0.20 | 0.15-0.35 | 5.0 – 10.0 | 0.7 |
| A2 | 304 | 0.08 | 1.0 | 2.0 | 0.05 | 15.0 – 20.0 | 0.03 | 8.0 – 19.0 | 0.0 |
| A3 | 321 | 0.08 | 1.0 | 2.0 | 0.05 | 19.0 | 0.03 | 9.0 – 12.0 | 0.0 |
| F1 | 430 | 0.12 | 1.0 | 1.0 | 0.04 | 15.0-18.0 | 0.03 | 1 | 0.0 |
| A4 | 316 | 0.08 | 1.00 | 2.00 | 0.045 | 16.0-18.5 | 0.030 | 10.0-15.0 | 2.00-3.00 |
20
90000
350
| Steel Grade | Property Class | Tensile Strength Rm1 min MPa | Elongation A2 min mm |
|---|---|---|---|
| Austenitic | |||
| A4,A5, | 80 | 800 | 0.3d |
| 70 | 700 | 0.4d | |
| 100 | 1000 | 0.2d | |
| A1, A2, A3 | 70 | 700 | 0.4d |
| 50 | 500 | 0.6d | |
| 80 | 800 | 0.3d | |
| Steel group | Steel grade |
Property class |
Tensile Strength Rm1 min MPa | Elongation A2 min mm | 0.2% Proof Stress Rp0.21 min MPa | Hardness | ||
|---|---|---|---|---|---|---|---|---|
| HRC | HB | HV | ||||||
| Ferritic | F14 | 45 | 450 | 0.2 d | 250 | – | 128/209 | 135/220 |
| 60 | 600 | 0.2 d | 410 | – | 171/271 | 180/285 | ||
| Martensitic | C1 | 50 | 500 | 0.2 d | 250 | 147/209 | 155/220 | |
| 70 | 700 | 0.2 d | 410 | 20/34 | 209/314 | 220/330 | ||
| 1103 | 1100 | 0.2 d | 820 | 36/45 | – | 350/440 | ||
| C4 | 50 | 500 | 0.2 d | 250 | – | 147/209 | 155/220 | |
| 70 | 700 | 0.2 d | 410 | 20/34 | 209/314 | 220/330 | ||
| C3 | 80 | 800 | 0.2 d | 640 | 21/35 | 228/323 | 240/340 | |
What are stainless steel fasteners?
They are bolts, nuts, screws, studs, and washers made from corrosion-resistant steel alloys
Are stainless steel fasteners rust-proof?
No, they are corrosion-resistant, not fully rust-proof or corrosion-proof
Which grade of stainless steel is best for industrial fasteners?
Grades 304 and 316 are most common; 316 suits marine and chemical environments
Can stainless steel fasteners be welded?
Welding high-strength bolts is not recommended
What sizes of stainless steel fasteners are available?
Sizes typically range from M6 to M100, or 1/4-inch to 4-inch diameter
What certifications come with industrial fasteners?
EN 10204 3.1/3.2 mill certificates, NACE, PED, CE and third-party inspection reports
What is the delivery time for stainless steel fasteners?
Stock items ship in 1 to 2 weeks, custom sizes take 4 to 6 weeks










