Bolts, Nuts, Stud Bolts & Washers in Stainless Steel, Inconel, Hastelloy, Monel & Duplex Steel
Manufacturing & exporting high-performance fasteners to 40+ countries since 2014. Custom sizes, mill test certificates, and 24-hour dispatch from Mumbai.
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10+
Years In Business
40+
Export Countries
5000+
SKU In Stock
100%
MTC Traceability
We manufacture a comprehensive range of industrial fasteners for critical applications in oil & gas, petrochemical, power generation, marine, and construction industries. All products conform to ASTM, ASME, DIN, ISO, and BS standards.
From standard stainless steel grades to high-performance nickel and titanium alloys, we manufacture fasteners in materials matched to your operating environment. ASTM, ASME, EN, DIN, and SAE compliant with full material traceability.
High-performance fasteners engineered for strength, corrosion resistance, and dependable service in demanding industrial environments.
High Tensile
Grade 12.9 bolts with hot dip galvanized finish for outdoor structures, heavy machinery, and critical assemblies that need high tensile strength with corrosion protection.
Established in 2014, Unifit Fastener is a Mumbai-based manufacturer, exporter, and stockist of industrial fasteners for critical-service applications. We specialize in threaded fasteners, bolts, nuts, stud bolts, washers in high-performance alloys including Inconel, Incoloy, Hastelloy, Monel, Titanium, Duplex, and Super Duplex steel – alongside standard stainless steel and carbon steel grades.
Our in-house manufacturing facility in Mumbai produces fasteners conforming to ASTM, ASME, DIN, ISO, BS, and JIS standards with full material traceability. Every order ships with mill test certificates (EN 10204 3.1). We export to 40+ countries across the Middle East, Southeast Asia, Europe, Africa, and the Americas, serving the oil & gas, petrochemical, power generation, marine, and construction industries.
We stock and manufacture in Inconel, Hastelloy, Monel, Titanium, and Alloy 20 – materials most fastener suppliers cannot source. Custom grades available.
ISO 9001:2015 Certified. Every batch tested. Mill test certificates (EN 10204 3.1) provided with every shipment.
Non-standard sizes from M2 to M160, custom thread forms, special head configurations, and OEM specifications manufactured to drawing.
Large inventory in Mumbai with 24–48 hour dispatch for standard items. Door-to-door delivery and export handling to 40+ countries.
Quality Management System
Material and dimensional standards
International thread standards
Mill Test Certificates
ISO 9001:2015
Quality Management System
Unifit Fastener holds ISO 9001:2015 certification, demonstrating our commitment to consistent quality across all manufacturing processes. Every product is manufactured, tested, and dispatched under a fully documented quality management system with end-to-end traceability.
Wellhead fasteners, subsea connectors, flange bolting for NACE MR0175 sour service environments.
High-temperature and high-pressure fasteners for reactors, pressure vessels, heat exchangers, and piping systems.
Turbine casing bolts, boiler studs, and heat-resistant alloy fasteners for thermal, nuclear, and renewable energy plants.
Corrosion-resistant fasteners in Duplex, Super Duplex, and Titanium for shipbuilding, offshore platforms, and seawater systems.
Structural anchor bolts, high-tensile fasteners, and stainless steel fixings for bridges, towers, and heavy infrastructure projects.
Precision-grade fasteners conforming to ASME nuclear codes, with full material certification and third-party inspection for safety-critical assemblies.
Tell us your material, grade, size, and quantity. Our engineering team will respond with a technical quote within 24 hours.
Monel washers are reliable fasteners when it comes to an environment where corrosion resistance, mechanical strength, and thermal stability are all or nothing.
Read More
Learn DIN fastener standards, bolt specifications, DIN vs ISO comparison, and common industrial DIN fastener types.
Read More
Compare 304, 316, and 410 stainless steel fasteners with corrosion resistance, applications, and grade selection guidance.
Read MoreSaudi Arabia, UAE, Kuwait, Qatar, Oman, Bahrain, Iraq, Jordan
Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Philippines, Bangladesh
United Kingdom, Germany, Italy, France, Netherlands, Spain, Belgium, Norway, Poland
South Africa, Nigeria, Kenya, Egypt, Ghana, Angola, Morocco
United States, Canada, Mexico, Brazil, Argentina, Chile, Colombia, Trinidad & Tobago
Share your material, size, grade, or drawing requirement and our team will help you move from specification to quote faster.
Office No.7, 198, Somji Building, P.B. Road, opp. Sindhi Lane, near Gulalwadi, Cawasji Patel Tank, Bhuleshwar, Mumbai, Maharashtra 400004
Monday – Saturday: 9:00 am – 10:00 pm
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