High-Quality Bolts, Nuts & Specialized Fastening Solutions • Stainless Steel • Alloy Steel • Titanium • Hastelloy • Duplex Steel
United Bolt Nut Industries stands as a leading industrial fasteners manufacturer in India, specializing in bolts manufacturer, nuts manufacturer, and specialized fastening solutions. We manufacture an extensive range of stainless steel fasteners, alloy steel fasteners, titanium fasteners, hastelloy fasteners, duplex steel fasteners, and other specialized alloys in compliance with both National and International Standards.
As an ISO 9001:2015 certified company and MSME registered enterprise, we have proudly positioned ourselves as one of Mumbai's most reputable industrial fasteners manufacturer units. Through advanced manufacturing technologies and stringent quality control, we guarantee that all our hex bolts, special fasteners, high-temperature fasteners and corrosion-resistant fasteners meet the highest quality standards.
Explore ProductsPrecision engineering, certified quality, and unmatched reliability.
Rigorous quality management systems across all manufacturing processes for industrial fasteners.
Stainless Steel, Alloy Steel, Titanium, Hastelloy, Duplex & exotic alloys for every fastening need.
Compliance with ANSI, DIN, ISO, BS, ASTM A193, A320, A325 standards.
Timely delivery to construction, oil & gas, chemical, marine, and power sectors.
Comprehensive fastening solutions for every industrial need – available in multiple grades, sizes, and standards.
Grades: SS 304, 316, 316L, Alloy Steel. Size: M6 to M80, 1/4" to 3". Standards: ANSI, DIN, ISO, BS. Ideal bolts manufacturer choice for construction.
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Carbon Steel, Alloy Steel. Customized sizes. ASTM A193, A320, A325 certified. Perfect for heavy-duty applications.
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SS 304, 316, 310, 904L. Standard & custom sizes. Premium stainless steel fasteners for chemical and marine industries.
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Titanium, Hastelloy, Inconel, Duplex Steel. High-performance applications. ASTM/ASME certified.
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For power generation and refineries. Exceptional heat and creep resistance. Trusted high-temperature fasteners supplier.
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Ideal for chemical plants, marine applications, and offshore platforms. Premium corrosion-resistant fasteners.
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Structural fasteners for buildings, bridges, and industrial structures. Leading industrial fasteners manufacturer for construction.
High-pressure and corrosion-resistant fasteners for pipelines and refineries.
Stainless steel fasteners and exotic alloy fasteners for chemical processing equipment.
Saltwater-resistant duplex steel fasteners for ships and offshore platforms.
High-temperature fasteners for power plants and energy facilities.
Our commitment to international quality standards
Certified Quality Management System for industrial fasteners manufacturer
Government Recognized Enterprise - MSME registered fasteners unit
Fully Tax Compliant & Traceable
We manufacture in full compliance with international standards including ASTM A193, A320, DIN, ISO, ANSI, ensuring every product meets the required mechanical properties, dimensional accuracy, and material traceability.
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