Top 10 Fasteners Manufacturers in India

In the world of mechanical engineering and massive infrastructure, the smallest components often hold the greatest responsibility. Fasteners—the nuts, bolts, screws, and studs—are the literal “glue” that keeps our modern world together. As of 2026, the Indian fasteners market has surged to a valuation of nearly $5 billion, driven by the “Make in India” initiative and a global shift toward Indian manufacturing hubs.

Whether it’s an electric vehicle (EV) zooming through Mumbai or a skyscraper rising in Dubai, the chances are high that an Indian-made fastener is holding it in place. For engineers, procurement officers, and investors, knowing who leads this sector is crucial. Here is our expert-curated list of the top 10 fasteners manufacturers in India that are defining quality and precision this year.

1. Sundram Fasteners Limited (SFL)

Sundram Fasteners remains the undisputed titan of the industry. Part of the legendary TVS Group, SFL has evolved into a global engineering powerhouse with a presence in multiple continents.

Market Leader: SFL is widely recognized as the largest producer of fasteners in India by revenue and volume.
Specialization: They are masters of high-tensile fasteners, cold-forged components, and specialized bolts for the automotive and aerospace sectors.
Innovation: In 2026, they are leading the charge in EV-specific fastening solutions, providing lightweight and vibration-resistant components for electric powertrains.
Global Footprint: With manufacturing plants in India, China, and the UK, they are a primary OEM supplier to giants like General Motors and Cummins.

2. Deepak Fasteners Limited (Unbrako)

If strength is the primary requirement, Unbrako is the name that engineers trust. Deepak Fasteners Limited owns the Unbrako brand, making it a dominant force in the high-end industrial segment.

Brand Power: Unbrako is globally synonymous with high-strength fasteners used in heavy engineering and safety-critical applications.
Infrastructure Giant: Their products are the backbone of massive bridges, metro rails, and oil rigs across India.
Global Sales: With the world’s largest distribution network for industrial fasteners, they export to over 50 countries.
Certification: They maintain the highest international standards, including ISO 9001 and AS9100 for aerospace.

3. Sterling Tools Limited (STL)

Faridabad-based Sterling Tools Limited has seen phenomenal growth, particularly through its strategic partnerships and focus on the future of mobility.

Automotive King: STL is a top-tier supplier to major Indian OEMs like Maruti Suzuki, Tata Motors, and Mahindra.
EV Transition: Through its subsidiary Sterling Gtake E-Mobility, they are integrating electronics with mechanical fastening, a move that has made them one of the most innovative fasteners manufacturers in India.
Production Capacity: Their state-of-the-art automated plants ensure high-volume production with zero-defect quality control.

4. LPS Bossard (LPS Precision)

A powerful joint venture between Lakshmi Precision Screws and the Swiss giant Bossard Group, this company combines Indian manufacturing agility with European engineering logic.

Logistics Innovation: Beyond just making bolts, they are famous for “Smart Factory Logistics,” helping clients automate their inventory management.
Precision Engineering: They specialize in micro-fasteners and specialized screws used in high-tech electronics and medical devices.
Diverse Catalog: With access to Bossard’s global inventory of 200,000+ items, they offer the most diverse range of fasteners manufacturers in India can provide.

5. Simmonds Marshall Limited

Simmonds Marshall is the specialist you call when you need specialized nuts and nylon-insert self-locking nuts.

Specialization: They are the leaders in Nyloc nuts and other specialized locking systems that prevent loosening due to vibration.
Aviation & Defense: Their high-precision products are widely used in the Indian defense sector and civil aviation.
Legacy: With a history dating back to the 1960s, they have perfected the art of cold-forming and thread-rolling for critical applications.

6. Nifco India (Tata Nifco)

A collaboration between the Tata Group and Nifco Inc. (Japan), this company is a leader in a different kind of fastening—plastic fasteners.

Plastic Pioneers: Not all fasteners are metal. Nifco leads in plastic clips, clamps, and interior fasteners used in almost every passenger car in India.
Weight Reduction: Their focus on plastic components helps automotive companies reduce vehicle weight, improving fuel efficiency and EV range.
Precision Molding: Using advanced Japanese molding technology, they produce millions of tiny, complex components daily.

7. Agarwal Fasteners (APL)

Based in Mumbai, Agarwal Fasteners (APL) has carved a niche as the premier manufacturer of stainless steel fasteners in the country.

Corrosion Resistance: Their SS 304 and SS 316 grade fasteners are essential for the marine, chemical, and pharmaceutical industries.
Vast Inventory: APL is known for maintaining a massive ready-stock, making them the favorite of quick-turnaround infrastructure projects.
Quality Focus: Every batch undergoes rigorous salt-spray testing to ensure long-term durability in harsh environments.

8. Big Bolt Nut (BBN)

As the name suggests, this company specializes in the “Big” stuff. They are the go-to manufacturers for heavy-duty industrial projects.

Structural Excellence: BBN is a key supplier for PEB (Pre-Engineered Buildings) and heavy structural steel projects.
Large Diameter Fasteners: They are one of the few fasteners manufacturers in India capable of producing ultra-large diameter bolts (up to M100 and above).
Hot Forging: Their expertise in hot-forging allows them to create customized heavy fasteners for dams, thermal power plants, and refineries.

9. Jyoti Engineering (Jyoti)

Jyoti Engineering has become a global name in Shear Connectors and foundation bolts, serving the global construction industry.

Construction Specialist: If you see a skyscraper or a massive warehouse, the foundation bolts are likely from Jyoti.
Global Exports: They have a massive market presence in the USA, Japan, and the UK, meeting stringent international building codes.
Integrated Testing: Their in-house chemical and physical testing labs ensure that every bolt can withstand the extreme loads of civil engineering.

10. Singhania International (STURDFIX)

Singhania International, under its brand STURDFIX, has become a household name in the hardware and construction retail segment.

Versatile Range: From dry-wall screws to heavy anchors, STURDFIX offers a comprehensive “one-stop-shop” for construction professionals.
Tech Integration: They utilize advanced cold-heading technology to produce high-volume, low-cost, yet high-quality fasteners.
Retail Presence: They have one of the strongest distributor networks in India, ensuring their products reach even the smallest towns.

Understanding Fastener Grades and Materials

To choose the right product among the fasteners manufacturers in India, you must understand the “Grade.”

High-Tensile (8.8, 10.9, 12.9): Used in automotive engines and heavy machinery where high pressure is a constant.
Stainless Steel (A2, A4): Ideal for marine and food-processing environments where rust is the enemy.
Coating Matters: Whether it is Zinc Plating, Hot-Dip Galvanizing, or Geomet Coating, the finish determines the lifespan of the fastener.

Why India is the New Global Fastener Hub

In 2026, the world is looking at India for its fastening needs. The fasteners manufacturers in India have several competitive advantages:

Cost-Efficiency: Lower labor and operational costs compared to the West.
Raw Material Access: Proximity to some of the world’s largest steel producers like JSW and Tata Steel.
Digital Quality Control: The adoption of AI-based visual inspection has reduced defect rates to near zero.
Sustainability: Leading manufacturers are now using recycled steel and solar-powered plants to meet global ESG standards.

Conclusion

The fasteners industry is a testament to India’s engineering maturity. While Sundram Fasteners leads in scale, companies like Unbrako and APL lead in specialized excellence. These 10 companies are not just making nuts and bolts; they are building the reliability that the world depends on. As infrastructure and technology continue to evolve, these fasteners manufacturers in India remain the essential, silent partners of global progress.