+91-22-66518521 chirag@unifitmetalloys.com
ISO 9001:2015 Certified Established 2014 Mumbai, India
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Stainless Steel
SS Fasteners (All) SS 304/304L Fasteners SS 316/316L Fasteners SS 310/310S Fasteners SS 321 Fasteners SS 347/347H Fasteners SS 317/317L Fasteners SS 904L Fasteners SMO 254 Fasteners SS High Temp Fasteners
Duplex / Super Duplex
Duplex Fasteners (All) Duplex Hex Bolts Duplex Hex Nuts Duplex Stud Bolt Duplex Washers Super Duplex Fasteners Super Duplex Hex Bolts Super Duplex Hex Nuts Super Duplex Stud Bolt Super Duplex Washers
Nickel & Special Alloys
Inconel Fasteners (All) Inconel 600 Fasteners Inconel 625 Fasteners Inconel 718 Fasteners Incoloy 800/825 Fasteners Hastelloy Fasteners Hastelloy C22 Hastelloy C276 Monel 400 Fasteners Nickel Alloy Fasteners Titanium Fasteners Cupro Nickel Fasteners Alloy 20 Fasteners
Carbon / Alloy / Coated
High Tensile Fasteners Alloy Steel Fasteners ASTM A193 Gr. B7 ASTM A193 Gr. B8M ASTM A193 Gr. B16 ASTM A320 Gr. L7 PTFE Coated Fasteners XYLAN Coated Fasteners Grade 8.8 Bolts Grade 10.9 Bolts Grade 12.9 Bolts
All Bolts SS Bolts SS Hex Bolts SS 304 Hex Bolt SS 316 Hex Bolt SS 310 Bolts SS 321 Hex Bolt SS 347 Hex Bolt SS 317 Hex Bolt Duplex Hex Bolts Super Duplex Hex Bolts Inconel 600 Bolts Inconel 601 Bolts Inconel 625 Bolts Inconel 718 Bolts Inconel X-750 Bolts Incoloy 800/800HT Bolts Incoloy 825 Bolts Incoloy 925 Bolts Monel 400 Bolts Monel 400 Hex Bolts Nickel 200 Bolts Nickel Alloy Bolts Monel Bolts Grade 8.8 Bolts Grade 10.9 Bolts Grade 12.9 Bolts
All Nuts SS Nuts SS 304 Nuts SS 316 Nuts SS 310 Nuts SS 321 Nuts SS 347 Nuts Duplex Hex Nuts Super Duplex Hex Nuts Inconel 600 Nuts Inconel 625 Nuts Inconel 718 Nuts Incoloy 825 Nuts Monel Nuts Hastelloy Nuts Cupro Nickel Nuts Nickel Alloy Nuts SS High Temp Nut
All Stud Bolts SS Stud Bolt SS 304 Stud Bolt SS 316 Stud Bolt SS 310 Stud Bolt SS 321 Stud Bolt SS 347 Stud Bolt Duplex Stud Bolt Super Duplex Stud Inconel Stud Bolts Inconel 600 Stud Inconel 718 Stud Incoloy 800 Stud Incoloy 825 Stud Monel Stud Bolts ASTM A193 B7 ASTM A193 B16
All Washers SS Washers SS 304 Washers SS 316 Washers SS 310 Washers SS 321 Washers SS 347 Washers Duplex Washers Super Duplex Washers Inconel Washers Monel Washers Hastelloy Washers Nickel Alloy Washers Cupro Nickel Washers
All Round Bars SS Round Bars Duplex Round Bars Super Duplex Round Bar Inconel Round Bar Hastelloy Round Bar Monel Round Bar Nickel Alloy Round Bar Titanium Round Bar Alloy Steel Round Bars Copper Nickel Round Bar
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ISO 9001:2015 Certified

Industrial Fasteners
Manufacturer in India

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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ISO 9001:2015
ASTM / ASME
PED Compliant
40+ Countries
Unifit Fastener
Experience Icon 10+ Years In Business
Export Countries Icon 40+ Export Countries
SKU Icon 5000+ SKU In Stock
MTC Traceability Icon 100% MTC Traceability
Our Products

Industrial Fastener Range

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.

Hex Bolts DIN 931/933

Hex Bolts

Hex Head • Heavy Hex • Flange Bolts • Socket Head • 12-Point

Nuts DIN 934/985

Nuts

Hex Nuts • Heavy Hex • Nylock • Flange • Coupling • Square

Stud Bolts ASTM A193

Stud Bolts

Fully Threaded • Double End • Tap End • Flange Studs

Washers DIN 125/127

Washers

Plain/Flat • Spring • Star/Tooth • Belleville • Square

Fasteners Various

Fasteners

Screws • Threaded Rods • Anchor Bolts • Eye Bolts • U-Bolts

Round Bars ASTM A276

Round Bars

Round • Hex • Flat • Bright Bars

Tube Plugs ASME

Tube Plugs

Tapered • Shouldered • Welded • Stabilizer

Custom Fasteners Per Drawing

Custom Fasteners

Non-standard sizes • Special heads • Custom threading • OEM specs

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Material Grades

Materials We Work With

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.

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Product Showcase

Our Leading Products

High-performance fasteners engineered for strength, corrosion resistance, and dependable service in demanding industrial environments.

12.9 HDG Finish Bolts High Tensile

12.9 HDG Finish Bolts

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.

Grade 12.9 Finish HDG Standard DIN / ASTM
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12.9 HDG Finish Bolts
High Tensile

12.9 HDG Finish Bolts

Hot dip galvanized bolts for heavy-duty assemblies.

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T - Bolts
Custom Form

T - Bolts

Channel-friendly head forms with custom threading.

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SS32760 Studs and Nuts
Super Duplex

SS32760 Studs and Nuts

High corrosion resistance for critical flange service.

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SMO 254 Dowel Pins
SMO 254

SMO 254 Dowel Pins

Precision pins for chloride-heavy environments.

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Corporate Identity

Why Choose Unifit Fastener?

Established in 2014, Unifit Fastener is a Mumbai-based manufacturer, exporter, and stockist of industrial fasteners for critical-service applications. We specialize in bolts, nuts, stud bolts, washers, and threaded fasteners 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.

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Exotic Alloys Icon

Exotic Alloy Specialists

We stock and manufacture in Inconel, Hastelloy, Monel, Titanium, and Alloy 20 – materials most fastener suppliers cannot source. Custom grades available.

Certified Quality Icon

Certified Quality

ISO 9001:2015 Certified. Every batch tested. Mill test certificates (EN 10204 3.1) provided with every shipment.

Custom Manufacturing Icon

Custom Manufacturing

Non-standard sizes from M2 to M160, custom thread forms, special head configurations, and OEM specifications manufactured to drawing.

Fast Global Dispatch Icon

Fast Global Dispatch

Large inventory in Mumbai with 24–48 hour dispatch for standard items. Door-to-door delivery and export handling to 40+ countries.

Compliance

Certifications & Standards

Standard

ISO 9001:2015

Quality Management System

Certified Quality Management

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.

Quality Management Process Control Traceability Continuous Improvement
Applications

Industries We Serve

Oil & Gas industry

Oil & Gas

Wellhead fasteners, subsea connectors, flange bolting for NACE MR0175 sour service environments.

Petrochemical industry

Petrochemical

High-temperature and high-pressure fasteners for reactors, pressure vessels, heat exchangers, and piping systems.

Power Generation industry

Power Generation

Turbine casing bolts, boiler studs, and heat-resistant alloy fasteners for thermal, nuclear, and renewable energy plants.

Marine & Offshore industry

Marine & Offshore

Corrosion-resistant fasteners in Duplex, Super Duplex, and Titanium for shipbuilding, offshore platforms, and seawater systems.

Construction industry

Construction

Structural anchor bolts, high-tensile fasteners, and stainless steel fixings for bridges, towers, and heavy infrastructure projects.

Nuclear industry

Nuclear

Precision-grade fasteners conforming to ASME nuclear codes, with full material certification and third-party inspection for safety-critical assemblies.

Global Reach

Trusted Worldwide

Get in Touch

Need Fasteners for Your Project?

Tell us your material, grade, size, and quantity. Our engineering team will respond with a technical quote within 24 hours.

24-Hour Response No Minimum Order Export to 40+ Countries
Get a Free Quote +91-22-66518521
Insights

Technical Resources

Monel Washers: Properties and Uses Explained

Monel Washers: Properties and Uses Explained

May 25th, 2026

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
DIN Fastener Standards: Complete Guide to Specifications & Types

DIN Fastener Standards: Complete Guide to Specifications & Types

May 11th, 2026

Learn DIN fastener standards, bolt specifications, DIN vs ISO comparison, and common industrial DIN fastener types.

Read More
Stainless Steel Fastener Grades Explained: 304 vs 316 vs 410

Stainless Steel Fastener Grades Explained: 304 vs 316 vs 410

May 11th, 2026

Compare 304, 316, and 410 stainless steel fasteners with corrosion resistance, applications, and grade selection guidance.

Read More
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Global Network

Exporting Fasteners to 40+ Countries

Middle East

Saudi Arabia, UAE, Kuwait, Qatar, Oman, Bahrain, Iraq, Jordan

Asia-Pacific

Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Philippines, Bangladesh

Europe

United Kingdom, Germany, Italy, France, Netherlands, Spain, Belgium, Norway, Poland

Africa

South Africa, Nigeria, Kenya, Egypt, Ghana, Angola, Morocco

Americas

United States, Canada, Mexico, Brazil, Argentina, Chile, Colombia, Trinidad & Tobago

Get in Touch

Send Us an Enquiry

Share your material, size, grade, or drawing requirement and our team will help you move from specification to quote faster.

24-48h Quote Window 40+ Export Markets MTC Available
Address

Office No.7, 198, Somji Building, P.B. Road, opp. Sindhi Lane, near Gulalwadi, Cawasji Patel Tank, Bhuleshwar, Mumbai, Maharashtra 400004

Phone

022 66518521  /  +91 8828163106

Email

chirag@unifitmetalloys.com

Work Hours

Monday – Saturday: 9:00 am – 10:00 pm

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